Author: | Johnson, Thys B. |
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Additional Authors: | Sharp, William R. |
Year: | 1971 |
Document Type: | BMRA |
Issuing Agency: | Bureau of Mines, U.S. Dep. of the Interior, |
Series: | Report of investigations / United States. Bureau of Mines ; |
Report Number: | 7553 |
Subject: | Strip mining |
Link: | https://hdl.handle.net/2027/mdp.39015078526095 |