Armstrong No. 3 Prospect
ProspectManganeseUndergroundUSGS MRDS
Location
| State | California |
| County | Trinity |
| Coordinates | 40.19065, -123.30531 |
Commodities
| Primary | Manganese |
Mine Details
| Status | Prospect |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10238840 |