Mayo Lode
Past ProducerFeldsparUSGS MRDS
Location
| State | South Dakota |
| County | Custer |
| Coordinates | 43.68690, -103.60750 |
Commodities
| Primary | Feldspar |
| Secondary | Beryllium, Mica, Tantalum |
Mine Details
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10055782 |