| Author: | Walker, W. Dan, |
|---|---|
| Additional Authors: | Dornenburg, D. D., Chastain, G. W. |
| Year: | 1957 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7808 |
| Series: | Information circular / United States. Bureau of Mines ; |
| Report Number: | 7808 |
| Subject: | Mine rescue work--Equipment and supplies |
| Link: | https://hdl.handle.net/2027/mdp.39015078459875 |