Armstrong No. 1 Prospect
ProspectUSGS MRDS
Location
| State | California |
| County | Trinity |
| Coordinates | 40.05765, -123.22831 |
Commodities
| Tertiary | Manganese |
Mine Details
| Status | Prospect |
| Discovery Year | 1941 |
| Data Source | USGS MRDS |
| Source ID | 10166101 |
| State | California |
| County | Trinity |
| Coordinates | 40.05765, -123.22831 |
| Tertiary | Manganese |
| Status | Prospect |
| Discovery Year | 1941 |
| Data Source | USGS MRDS |
| Source ID | 10166101 |