{"@context":{"owl":"http://www.w3.org/2002/07/owl#","bibo":"http://purl.org/ontology/bibo/","foaf":"http://xmlns.com/foaf/0.1/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/"},"@id":"https://ci.nii.ac.jp/ncid/BB04611346.json","@graph":[{"@id":"https://ci.nii.ac.jp/ncid/BB04611346#entity","@type":"bibo:Book","foaf:isPrimaryTopicOf":{"@id":"https://ci.nii.ac.jp/ncid/BB04611346.json"},"dc:title":[{"@value":"The coal fields of the United States"}],"dc:publisher":[{"@value":"U.S. Govt. print. off."}],"dcterms:extent":"iv, 101 p., [9] leaves of plates","cinii:size":"30 cm","dc:language":"eng","dc:date":"1929","cinii:ncid":"BB04611346","cinii:ownerCount":"1","foaf:maker":[{"@type":"foaf:Person","foaf:name":[{"@value":"Bownocker, J. A. (John Adams)"}]},{"@id":"https://ci.nii.ac.jp/author/DA16935774#entity","@type":"foaf:Person","foaf:name":[{"@value":"Campbell, Marius R. (Marius Robinson)"}]}],"bibo:owner":[{"@id":"https://ci.nii.ac.jp/library/FA002677","@type":"foaf:Organization","foaf:name":"京都大学 理学部","rdfs:seeAlso":{"@id":"https://kuline.kulib.kyoto-u.ac.jp/opac/opac_openurl/?ncid=BB04611346"}}],"bibo:lccn":["30000220"],"rdfs:seeAlso":[{"@id":"https://lccn.loc.gov/30000220"}],"prism:publicationDate":["1929"],"cinii:note":["Three folded maps in pocket"],"dc:subject":["LCC:QE75"],"cinii:contentOfWorks":["General introduction / by Marius R. Campbell","Ohio / by J. A. Bownocker"],"foaf:topic":[{"@id":"https://ci.nii.ac.jp/books/search?q=Coal+--+Ohio","dc:title":"Coal -- Ohio"},{"@id":"https://ci.nii.ac.jp/books/search?q=Coal+--+United+States","dc:title":"Coal -- United States"}],"dcterms:isPartOf":[{"@id":"https://ci.nii.ac.jp/ncid/BA00239086#entity","dc:title":"Geological Survey professional paper, 100","@type":"bibo:Book"}]}]}