| Author: | Nagy, John. | 
|---|---|
| Additional Authors: | Portman, William M. | 
| Year: | 1961 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:5815 | 
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; | 
| Report Number: | 5815 | 
| Subjects: | Coal mines and mining--Safety measures | 
| Dust explosions | |
| Methane | |
| Link: | https://hdl.handle.net/2027/mdp.39015078530386 |