Thomas Mine
Past ProducerSurface-UndergroundUSGS MRDS
Location
| State | California |
| County | Mendocino |
| Coordinates | 39.31047, -123.17529 |
Commodities
| Tertiary | Manganese, Silica |
Mine Details
| Status | Past Producer |
| Type | Surface-Underground |
| First Production | 1914 |
| Discovery Year | 1912 |
| Data Source | USGS MRDS |
| Source ID | 10285652 |