Dan Patch Group
Past ProducerFeldspar, Mica, BerylliumUSGS MRDS
Location
| State | South Dakota |
| County | Pennington |
| Coordinates | 43.89413, -103.44223 |
Commodities
| Primary | Feldspar, Mica, Beryllium |
| Tertiary | Tantalum, Zinc |
Mine Details
| Status | Past Producer |
| Discovery Year | 1905 |
| Data Source | USGS MRDS |
| Source ID | 10104257 |