Alto Mine
Past ProducerGoldSurface-UndergroundUSGS MRDS
Location
| State | California |
| County | Calaveras |
| Coordinates | 37.89457, -120.60654 |
Commodities
| Primary | Gold |
| Secondary | Silver |
Mine Details
| Status | Past Producer |
| Type | Surface-Underground |
| Deposit Type | Hydrothermal vein |
| Discovery Year | 1886 |
| Data Source | USGS MRDS |
| Source ID | 10310583 |