| Author: | Evans, Robert J. |
|---|---|
| Year: | 1975 |
| Document Type: | N/A |
| SUDOC: | I 28.27:8695 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | I. C. 8695 |
| Subjects: | Strip mining. |
| Reclamation of land. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc170845/ |