Use of a large-diameter auger in mining anthracite beds

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Bibliographic Details
Main Author: Schimmel, J. T. (John T.)
Corporate Authors: United States. Bureau of Mines, Raven Run Coal Co
Other Authors: Tavenner, W. H., Markle, Donald, 1892-1977
Format: Government Document Book
Language:English
Published: Washington : U.S. Dept. of the Interior, Bureau of Mines, 1962.
Series:Report of investigations (United States. Bureau of Mines) ; 6135.
Physical Description:
ii, 24 pages : illustrations ; 27 cm.
Subjects:
Augers.
Coal-mining machinery.
Holdings details from CMU Storage Gov Pub C502
Copy 1 CMU Storage Gov Pub I 28.23:6135 Available

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