| Author: | Kintz, B. M. |
|---|---|
| Additional Authors: | Denny, Edward H. |
| Year: | 1932 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
| SUDOC: | C 22.11:6753 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6753 |
| Subjects: | Coal mines and mining--Colorado |
| Mine safety--Colorado | |
| Mine explosions--Colorado | |
| Link: | https://hdl.handle.net/2027/mdp.39015077572132 |