| Author: | Wartman, Frank S. | 
|---|---|
| Additional Authors: | Boyer, W. T. | 
| Year: | 1930 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, | 
| SUDOC: | C 22.12:2985 | 
| Series: | Report of investigations / United States Department of Commerce, Bureau of Mines ; | 
| Report Number: | 2985 | 
| Subject: | Copper | 
| Link: | https://hdl.handle.net/2027/mdp.39015077566159 |