Author: | Gleim, E. J. |
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Additional Authors: | James, R. S. |
Year: | 1935 |
Document Type: | USBM |
Issuing Agency: | U.S.Bureau of Mines, |
SUDOC: | I 28.7:566 |
Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 566 |
Subjects: | Mine safety |
Coal mines and mining--Equipment and supplies | |
Mine safety--Equipment and supplies | |
Link: | https://hdl.handle.net/2027/mdp.39015077565425 |