Author: | Maize, E. R. |
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Additional Authors: | Berry, J. V. |
Year: | 1946 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:7353 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 7353 |
Subjects: | Coal mines and mining--Safety measures |
Mine ventilation | |
Link: | https://hdl.handle.net/2027/mdp.39015074127930 |