| Author: | Paul, J. W. |
|---|---|
| Year: | 1913 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.7:29 |
| Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 29 |
| Subjects: | Breathing apparatus |
| Mine rescue work--Equipment and supplies | |
| Miners--Training of--United States | |
| Link: | https://hdl.handle.net/2027/mdp.39015077560319 |