{"@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/BB00036654.json","@graph":[{"@id":"https://ci.nii.ac.jp/ncid/BB00036654#entity","@type":"bibo:Book","foaf:isPrimaryTopicOf":{"@id":"https://ci.nii.ac.jp/ncid/BB00036654.json"},"dc:title":[{"@value":"The Pittsburgh coal bed : its early history and development"}],"dc:creator":"by Howard N. Eavenson","dc:publisher":[{"@value":"American Institute of Mining and Metallurgical Engineers"}],"dcterms:extent":"55 p.","cinii:size":"24 cm","dc:language":"eng","dc:date":"1938","cinii:ncid":"BB00036654","cinii:ownerCount":"1","foaf:maker":[{"@id":"https://ci.nii.ac.jp/author/DA11577509#entity","@type":"foaf:Person","foaf:name":[{"@value":"Eavenson, Howard N. (Howard Nicholas)"}]}],"bibo:owner":[{"@id":"https://ci.nii.ac.jp/library/FA002010","@type":"foaf:Organization","foaf:name":"一橋大学 附属図書館","rdfs:seeAlso":{"@id":"https://opac.lib.hit-u.ac.jp/opac/opac_openurl/?ncid=BB00036654"}}],"bibo:lccn":["38030615"],"rdfs:seeAlso":[{"@id":"https://lccn.loc.gov/38030615"}],"dcterms:hasFormat":[{"@id":"https://catalog.hathitrust.org/Record/001042160","dc:date":"1938"}],"prism:publicationDate":["1938"],"cinii:note":["Eleven folded sheets in pocket","Bibliography: p. 48-55"],"dc:subject":["LCC:TN805.A5","DC:553.209748"],"foaf:topic":[{"@id":"https://ci.nii.ac.jp/books/search?q=Coal+mines+and+mining+--+Pennsylvania+--+Pittsburgh","dc:title":"Coal mines and mining -- Pennsylvania -- Pittsburgh"},{"@id":"https://ci.nii.ac.jp/books/search?q=Coal+mines+and+mining+--+West+Virginia","dc:title":"Coal mines and mining -- West Virginia"},{"@id":"https://ci.nii.ac.jp/books/search?q=Coal+mines+and+mining+--+Maryland","dc:title":"Coal mines and mining -- Maryland"},{"@id":"https://ci.nii.ac.jp/books/search?q=Coal+mines+and+mining+--+Ohio","dc:title":"Coal mines and mining -- Ohio"}]}]}