| Author: | Stahl, R. Ward. |
|---|---|
| Additional Authors: | Dodge, C. H. |
| Year: | 1956 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 5288 |
| Subjects: | Coal mines and mining--Safety measures |
| Methane | |
| Link: | https://hdl.handle.net/2027/mdp.39015078468504 |