Helen Group
OccurrenceFeldsparUSGS MRDS
Location
| State | South Dakota |
| County | Custer |
| Coordinates | 43.71413, -103.61806 |
Commodities
| Primary | Feldspar |
Mine Details
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10055745 |
| State | South Dakota |
| County | Custer |
| Coordinates | 43.71413, -103.61806 |
| Primary | Feldspar |
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10055745 |