J. R. Extension
Past ProducerSilver, GoldUSGS MRDS
Location
| State | South Dakota |
| County | Pennington |
| Coordinates | 43.94857, -103.51862 |
Commodities
| Primary | Silver, Gold |
Mine Details
| Status | Past Producer |
| Deposit Type | Vein |
| Data Source | USGS MRDS |
| Source ID | 10055555 |