Grand Island Group
OccurrenceGold, SilverUSGS MRDS
Location
| State | South Dakota |
| County | Pennington |
| Coordinates | 43.90524, -103.42973 |
Commodities
| Primary | Gold, Silver |
Mine Details
| Status | Occurrence |
| Deposit Type | Vein |
| Data Source | USGS MRDS |
| Source ID | 10010770 |