Elkhorn Mine
Past ProducerFeldspar, Mica, BerylliumUSGS MRDS
Location
| State | South Dakota |
| County | Custer |
| Coordinates | 43.74690, -103.51667 |
Commodities
| Primary | Feldspar, Mica, Beryllium |
Mine Details
| Status | Past Producer |
| Last Production | 1940 |
| Data Source | USGS MRDS |
| Source ID | 10055780 |