The use of augers in surface mining of bituminous coal

Author: Haley, Wilbur A.
Additional Authors: Dowd, James J.
Year: 1957
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:5325
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 5325
Subjects: Bituminous coal
Coal-mining machinery
Strip mining--Equipment and supplies
Link: https://hdl.handle.net/2027/mdp.39015078541565

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