Grand Island Group
ProspectGoldUndergroundUSGS MRDS
Location
| State | South Dakota |
| County | Pennington |
| Coordinates | 43.90076, -103.42416 |
Commodities
| Primary | Gold |
| Tertiary | Silver |
Mine Details
| Status | Prospect |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10153947 |