Anthracite mechanical mining investigations :progress report 1 : preliminary underground tests of the Bureau of Mines scraper-shaker loading machine for driving gangways

Author: Buch, John W.
Additional Authors: Allan, Andrew,
Year: 1949
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:4500
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 4500
Subjects: Loaders (Machines)--Testing
Anthracite coal industry--Equipment and supplies
Coal-mining machinery
Link: https://hdl.handle.net/2027/mdp.39015078495929

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