| Author: | Grosh, W. A. |
|---|---|
| Additional Authors: | Evans, T. A. |
| Year: | 1959 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7877 |
| Series: | Information circular / United States. Bureau of Mines ; |
| Report Number: | 7877 |
| Subjects: | Zinc mines and mining--Wisconsin |
| Mining machinery | |
| Link: | https://hdl.handle.net/2027/mdp.39015078455170 |