@prefix bf: <http://id.loc.gov/ontologies/bibframe/> .
@prefix bflc: <http://id.loc.gov/ontologies/bflc/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://stage.bcld.info/instances/6f36b99f-a5ff-4ed4-a2ad-fa7ceb41e747> a bf:Instance ;
    bf:adminMetadata [ a bf:AdminMetadata ;
            bflc:catalogerId "Unknown" ;
            bf:date "2026-09-11" ;
            bf:descriptionAuthentication <http://id.loc.gov/vocabulary/marcauthen/pcc> ;
            bf:descriptionLanguage <http://id.loc.gov/vocabulary/languages/eng> ;
            bf:descriptionLevel <http://id.loc.gov/ontologies/bibframe-2-6-0/> ],
        [ a bf:AdminMetadata ;
            bf:agent <http://id.loc.gov/vocabulary/organizations/cbc> ;
            bf:date "2026-09-11T20:31:43.490086+00:00"^^xsd:dateTime ;
            bf:derivedFrom <http://id.loc.gov/resources/instances/11306622> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/incmp> ] ;
    bf:extent [ a bf:Extent ;
            rdfs:label "volumes" ;
            bf:note [ a bf:Note,
                        <http://id.loc.gov/vocabulary/mnotetype/physical> ;
                    rdfs:label "illustrations, maps" ] ] ;
    bf:identifiedBy [ a bf:Lccn ;
            rdf:value "sf 86004005 " ] ;
    bf:instanceOf <https://stage.bcld.info/works/261fac19-8504-40ab-a7ab-19e526b8e2e5> ;
    bf:publicationStatement "Washington: G.P.O., 1908-1947" ;
    bf:title [ a bf:VariantTitle,
                <http://id.loc.gov/vocabulary/vartitletype/spi> ;
            bf:date "<1912->" ;
            bf:mainTitle "U.S.G.S. water-supply paper" ],
        [ a bf:VariantTitle,
                <http://id.loc.gov/vocabulary/vartitletype/cov> ;
            bf:mainTitle "United States Geological Survey water-supply paper" ],
        [ a bf:Title ;
            bf:mainTitle "Water-supply paper" ] .