@prefix bf: <http://id.loc.gov/ontologies/bibframe/> .
@prefix bflc: <http://id.loc.gov/ontologies/bflc/> .
@prefix mads: <http://www.loc.gov/mads/rdf/v1#> .
@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#> .

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        bf:Text,
        bf:Work ;
    bflc:aap "United States. Board of Engineers for Rivers and Harbors. The ports of Port Arthur, Sabine, Beaumont and Orange, Texas" ;
    bflc:aap-normalized "unitedstatesboardofengineersforriversandharborstheportsofportarthursabinebeaumontandorangetexas" ;
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            bf:date "2026-09-11" ;
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            bf:itemPortion "A5 1933" ;
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    bf:subject [ a bf:Topic,
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            rdfs:label "Harbors--Texas" ;
            bflc:aap-normalized "harborstexas" ;
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    bf:title [ a bf:Title ;
            bflc:nonSortNum "4" ;
            bf:mainTitle "The ports of Port Arthur, Sabine, Beaumont and Orange, Texas" ] .