Dewey Mine
Past ProducerFeldspar, MicaUSGS MRDS
Location
| State | South Dakota |
| County | Pennington |
| Coordinates | 43.89607, -103.54000 |
Commodities
| Primary | Feldspar, Mica |
Mine Details
| Status | Past Producer |
| Last Production | 1943 |
| Data Source | USGS MRDS |
| Source ID | 10099361 |