@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/3cb92b27-1f0f-4513-bc1c-04b5bbbf4ee5> a dcat:Dataset ;
    dct:description "Air Trends provides geographic trend information for specific air pollutants." ;
    dct:identifier "3DB6F135-F889-4901-BA61-C4CF4A130D44" ;
    dct:issued "2014-01-01"^^xsd:date ;
    dct:language "{en-US}" ;
    dct:modified "2014-01-01"^^xsd:date ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-180.0000 18.0000, -66.0000 18.0000, -66.0000 72.0000, -180.0000 72.0000, -180.0000 18.0000))"^^gsp:wktLiteral ] ;
    dct:title "Air Trends" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Michael Hamlin, U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS)" ;
            vcard:hasEmail <mailto:Hamlin.michael@Epa.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/3cb92b27-1f0f-4513-bc1c-04b5bbbf4ee5/resource/9d9ee958-9029-4765-9d49-b9bbbd91c764> ;
    dcat:keyword "air",
        "air-pollutants",
        "air-pollution",
        "amerigeo",
        "amerigeoss",
        "analysis-technology",
        "ckan",
        "datafinder",
        "environment",
        "environmental-media-topics",
        "geo",
        "geoss",
        "monitoring",
        "national",
        "north-america",
        "pollutants-contaminants",
        "research",
        "research-analysis",
        "substances",
        "united-states" .

<https://data.amerigeoss.org/dataset/3cb92b27-1f0f-4513-bc1c-04b5bbbf4ee5/resource/9d9ee958-9029-4765-9d49-b9bbbd91c764> a dcat:Distribution ;
    dct:issued "2020-11-30T03:10:19.850236"^^xsd:dateTime ;
    dct:modified "2025-11-21T03:06:53.756715"^^xsd:dateTime ;
    dct:title "Web Resource" ;
    dcat:accessURL <https://www.epa.gov/environmental-topics/air-topics> .

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