| Author: | Wright, Clarence A. |
|---|---|
| Year: | 1915 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.7:95 |
| Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 95 |
| Subjects: | Zinc mines and mining--Wisconsin |
| Zinc mines and mining--Illinois | |
| Lead mines and mining--Wisconsin | |
| Lead mines and mining--Illinois | |
| Lead mines and mining--Iowa | |
| Zinc mines and mining--Iowa | |
| Link: | https://hdl.handle.net/2027/mdp.39015077560681 |