| Author: | Cecala, Andrew B. |
|---|---|
| Additional Authors: | Jankowski, Robert A., Kissell, Fred N. |
| Year: | 1985 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:9052 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 9052 |
| Subjects: | Longwall mining |
| Coalbed methane | |
| Link: | https://hdl.handle.net/2027/mdp.39015078459248 |