Author: | Litton, C. D. |
---|---|
Year: | 1983 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:8912 |
Series: | Information circular / U.S. Bureau of Mines ; |
Report Number: | 8912 |
Subjects: | Mine safety--Equipment and supplies |
Mine ventilation--Equipment and supplies | |
Pneumatic control | |
Link: | https://hdl.handle.net/2027/mdp.39015078460469 |