@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#> .

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    bf:extent [ a bf:Extent ;
            rdfs:label "1 online resource (41 pages)" ] ;
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    bf:note [ a bf:Note,
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            rdfs:label "Description based on: Description from catalog card image included in microfilmed report." ],
        [ a bf:Note ;
            rdfs:label "Report series: OSRD No. 1833." ],
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            rdfs:label "Report." ],
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        [ a bf:Note ;
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            bflc:simplePlace "[United States]" ;
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    bf:title [ a bf:Title ;
            bf:mainTitle "Minutes of conference on research conducted in the Canal Zone on the fouling of optical instruments. (Division 16. Report No. 29.)" ] ;
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