Additional Authors: | Groves, R. D., Madsen, B. W., Potter, G. M., Evans, L. G. |
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Year: | 1975 |
Document Type: | BMRA |
Issuing Agency: | U.S. Bureau of Mines, |
SUDOC: | I 28.23:8012 |
Series: | Report of investigations / United States. Bureau of Mines ; |
Report Number: | 8012 |
Subjects: | Strip mining |
Copper ores | |
Spoil banks | |
Link: | https://hdl.handle.net/2027/mdp.39015078484675 |