Mineral resources of the Illinois-Kentucky mining district /
Excellent possibilities exist for finding deposits of fluorspar, lead, zinc, silver, cadmium, rare earths, and niobium in Illinois and Kentucky.
| Main Author: | |
|---|---|
| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Series: | Geological Survey professional paper ;
970. |
| Subjects: |
Search Result 1
