| Additional Authors: | Irani, M. C., Kapsch, F. F., Jeran, P. W., Pepperney, S. J. |
|---|---|
| Year: | 1979 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:8424 |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 8424 |
| Subjects: | Coal mines and mining--Safety measures |
| Relief valves | |
| Coalbed methane drainage | |
| Link: | https://hdl.handle.net/2027/mdp.39015078539981 |