@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/6efede2b-ef0e-4437-b8dc-dfa1bcf9e9d7> a bf:Instance ;
    bf:acquisitionSource [ a bf:AcquisitionSource ;
            rdfs:label "Grant C. Vietsch, 181 E. Lake Shore Dr., Chicago, IL 60611" ] ;
    bf:adminMetadata [ a bf:AdminMetadata ;
            bf:agent <http://id.loc.gov/vocabulary/organizations/cbc> ;
            bf:date "2026-09-11T20:13:47.038080+00:00"^^xsd:dateTime ;
            bf:derivedFrom <http://id.loc.gov/resources/instances/11170743> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/c> ],
        [ 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/> ] ;
    bf:carrier <http://id.loc.gov/vocabulary/carriers/nc> ;
    bf:dimensions "24 cm" ;
    bf:extent [ a bf:Extent ;
            rdfs:label "16 volumes" ;
            bf:note [ a bf:Note,
                        <http://id.loc.gov/vocabulary/mnotetype/physical> ;
                    rdfs:label "illustrations" ] ] ;
    bf:identifiedBy [ a bf:Lccn ;
            rdf:value "   73643668 " ] ;
    bf:instanceOf <https://stage.bcld.info/works/767af062-7c01-49d6-90bc-94d0d25d0e04> ;
    bf:issuance <http://id.loc.gov/vocabulary/issuance/serl> ;
    bf:media <http://id.loc.gov/vocabulary/mediaTypes/n> ;
    bf:note [ a bf:Note,
                <http://id.loc.gov/vocabulary/mnotetype/issuing> ;
            rdfs:label "Some volumes in conjunction with the Canadian Transportation Research Forum." ],
        [ a bf:Note,
                <http://id.loc.gov/vocabulary/mnotetype/number> ;
            rdfs:label "v. 12-27; 1971-86." ],
        [ a bf:Note,
                <http://id.loc.gov/vocabulary/mnotetype/addphys> ;
            rdfs:label "Also issued online." ],
        [ a bf:Note,
                <http://id.loc.gov/vocabulary/mnotetype/issuance> ;
            rdfs:label "Each volume in one number, except v. 24 (1983), which is in two numbers." ] ;
    bf:provisionActivity [ a bf:ProvisionActivity,
                bf:Publication ;
            bflc:simpleAgent "[R.B. Cross Co.]" ;
            bflc:simplePlace "[Oxford, Ind.]" ;
            bf:date "1971/1986"^^<http://id.loc.gov/datatypes/edtf> ;
            bf:place <http://id.loc.gov/vocabulary/countries/inu> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/ceased> ] ;
    bf:publicationStatement "[Oxford, Ind.]: [R.B. Cross Co.]" ;
    bf:title [ a bf:Title ;
            bf:mainTitle "Proceedings" ;
            bf:subtitle "annual meeting" ] .