Author: | Wartman, F. S. |
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Additional Authors: | Roberson, A. H., |
Year: | 1944 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:3746 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 3746 |
Subject: | Copper mines and mining |
Link: | https://hdl.handle.net/2027/mdp.39015078475905 |