| Additional Authors: | Lees, Arthur S., Gupta, Arvind B., Larwood, Gary M., Secor, Edwin S. |
|---|---|
| Year: | 1977 |
| Document Type: | USBI |
| Issuing Agency: | Dept. of the Interior, Bureau of Mines : |
| SUDOC: | I 28.27:8738 |
| Series: | Information circular - Bureau of Mines ; |
| Report Number: | 8738 |
| Subjects: | Strip mining--United States |
| Bituminous coal--United States | |
| Coal mines and mining--United States | |
| Link: | https://hdl.handle.net/2027/mdp.39015078453548 |