| Additional Authors: | Davis, Rogers F., Scott, Frank E., Zelonka, John R., Seman, Joseph J. |
|---|---|
| Year: | 1967 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:8354 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 8354 |
| Subjects: | Mine safety |
| Mines and mineral resources--Equipment and supplies | |
| Link: | https://hdl.handle.net/2027/mdp.39015078516823 |