@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/7a137043-8218-46c6-9a2d-f0fe8d7a8fbc> a dcat:Dataset ;
    dct:description "Text files containing data regarding attributes of lake trout egg thiamine concentrations from sites in lakes Huron and Michigan collected during 2019-20, sampling site locations and quality assurance quality control values for comparison to previous years (2017-18) lake trout egg thiamine concentrations." ;
    dct:identifier "USGS:609e7531d34ea221ce3f2f5a" ;
    dct:issued "2025-11-22T20:37:50.982564"^^xsd:dateTime ;
    dct:modified "20210518"^^xsd:gYear ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-87.7932 42.3635, -87.7932 45.9256, -82.2287 45.9256, -82.2287 42.3635, -87.7932 42.3635))"^^gsp:wktLiteral ] ;
    dct:title "Thiamine concentrations in lake trout eggs collected from the Great Lakes in 2019-20" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Donald E Tillitt" ;
            vcard:hasEmail <mailto:dtillitt@usgs.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/7a137043-8218-46c6-9a2d-f0fe8d7a8fbc/resource/be2ff958-6547-495d-996d-564d84305b8c>,
        <https://data.amerigeoss.org/dataset/7a137043-8218-46c6-9a2d-f0fe8d7a8fbc/resource/d3e4a9db-3b21-4723-9633-d7b9a72fcf3e> ;
    dcat:keyword "amerigeo",
        "amerigeoss",
        "biota",
        "ckan",
        "fish-health",
        "geo",
        "geoss",
        "great-lakes",
        "lake-huron",
        "lake-michigan",
        "lake-trout",
        "national",
        "natural-resource-management",
        "north-america",
        "recreational-fishery-resources",
        "thiamine",
        "united-states",
        "usgs-609e7531d34ea221ce3f2f5a",
        "vitamin-b1",
        "vitamin-deficiency" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/7a137043-8218-46c6-9a2d-f0fe8d7a8fbc/resource/be2ff958-6547-495d-996d-564d84305b8c> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2022-07-28T20:43:25.240990"^^xsd:dateTime ;
    dct:modified "2025-11-22T20:37:50.971206"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.609e7531d34ea221ce3f2f5a.xml> ;
    dcat:mediaType "text/xml" .

<https://data.amerigeoss.org/dataset/7a137043-8218-46c6-9a2d-f0fe8d7a8fbc/resource/d3e4a9db-3b21-4723-9633-d7b9a72fcf3e> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2022-07-28T20:43:25.241005"^^xsd:dateTime ;
    dct:modified "2025-11-22T20:37:50.971639"^^xsd:dateTime ;
    dct:title "Digital Data" ;
    dcat:accessURL <https://doi.org/10.5066/P9I4CZI7> ;
    dcat:mediaType "application/http" .

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