State laws relating to coal-mine timbering.

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Bibliographic Details
Main Authors: Paul, J. W. (James Washington), Geyer, John Nicholas, 1896- (Author)
Corporate Author: United States. Bureau of Mines
Format: Government Document Book
Language:English
Published: Washington : U.S. Govt. Print. Off, 1928.
Series:Technical paper (United States. Bureau of Mines) ; 421.
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State laws relating to coal-mine timbering.

Published 1928
Full Text (via ProQuest)
Government Document eBook
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State laws relating to coal-mine timbering

Published 1928
Government Document Microfilm Book