| Author: | Holt, Stephen P. |
|---|---|
| Year: | 1948 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:4386 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 4386 |
| Subjects: | Zinc ores--Illinois--Jo Daviess County |
| Lead ores--Illinois--Jo Daviess County | |
| Link: | https://hdl.handle.net/2027/mdp.39015078467217 |