| Author: | Forbes, J. J. |
|---|---|
| Year: | 1931 |
| Document Type: | N/A |
| SUDOC: | C 22.11:6435 |
| Series: | Information circular (United States. Bureau of Mines) |
| Report Number: | I. C. 6435 |
| Subjects: | Mine rescue work. |
| Mine safety -- Equipment and supplies. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc67004/ |