Mechanization, employment and output per man in Bituminous coal mining. Vol. II
dc.contributor.author | Hotchkiss, Willard E | en_US |
dc.date.accessioned | 2014-04-25T12:59:50Z | |
dc.date.available | 2014-04-25T12:59:50Z | |
dc.date.issued | 1939 | en_US |
dc.identifier.citation | 436 p | en_US |
dc.identifier.uri | http://hdl.handle.net/10973/24196 | |
dc.publisher | Works Projects Administration USPD National Research Project, Philadelphia | en_US |
dc.title | Mechanization, employment and output per man in Bituminous coal mining. Vol. II | en_US |
dc.type | Book | en_US |
dc.subject.cc | X9(D3551):92.84.73/G9.2 | en_US |
dc.identifier.accno | GIPE021671 | en_US |
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GIPE Digitised Books [22617]