Ray Prospect
Past ProducerMicaUSGS MRDS
Location
| State | South Dakota |
| County | Custer |
| Coordinates | 43.69857, -103.63389 |
Commodities
| Primary | Mica |
Mine Details
| Status | Past Producer |
| Discovery Year | 1943 |
| Data Source | USGS MRDS |
| Source ID | 10097815 |
| State | South Dakota |
| County | Custer |
| Coordinates | 43.69857, -103.63389 |
| Primary | Mica |
| Status | Past Producer |
| Discovery Year | 1943 |
| Data Source | USGS MRDS |
| Source ID | 10097815 |