Black Diamond
ProspectUndergroundUSGS MRDS
Location
| State | South Dakota |
| County | Custer |
| Coordinates | 43.83936, -103.66497 |
Commodities
| Tertiary | Mica, Tungsten |
Mine Details
| Status | Prospect |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10202256 |
| State | South Dakota |
| County | Custer |
| Coordinates | 43.83936, -103.66497 |
| Tertiary | Mica, Tungsten |
| Status | Prospect |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10202256 |