Michaud Prospect
Past ProducerBerylliumUSGS MRDS
Location
| State | South Dakota |
| County | Custer |
| Coordinates | 43.68885, -103.71946 |
Commodities
| Primary | Beryllium |
| Secondary | Mica, Feldspar |
Mine Details
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10055769 |