Dufrene
ProspectUSGS MRDS
Location
| State | California |
| County | Amador |
| Coordinates | 38.34184, -120.86769 |
Commodities
| Tertiary | Manganese |
Mine Details
| Status | Prospect |
| Data Source | USGS MRDS |
| Source ID | 10097002 |
| State | California |
| County | Amador |
| Coordinates | 38.34184, -120.86769 |
| Tertiary | Manganese |
| Status | Prospect |
| Data Source | USGS MRDS |
| Source ID | 10097002 |