| Author: | Eve, A. S. |
|---|---|
| Additional Authors: | Keys, D. A. |
| Year: | 1927 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines : |
| SUDOC: | C 22.5:420 |
| Series: | Technical paper / United States Department of Commerce, Bureau of Mines ; |
| Report Number: | 420 |
| Subject: | Prospecting |
| Links: | https://hdl.handle.net/2027/mdp.39015078543140 |
| https://hdl.handle.net/2027/mdp.39015086470906 |