Author: | Forbes, John J. V. |
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Additional Authors: | Owings, C. W. |
Year: | 1947 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:7421 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 7421. |
Subjects: | Coal mines and mining--Safety measures |
Mine explosions | |
Link: | https://hdl.handle.net/2027/mdp.39015078463398 |