Twin Peaks
Past ProducerMercuryUSGS MRDS
Location
| State | California |
| County | Napa |
| Coordinates | 38.66238, -122.53496 |
Commodities
| Primary | Mercury |
| Tertiary | Chromium |
Mine Details
| Status | Past Producer |
| First Production | 1902 |
| Data Source | USGS MRDS |
| Source ID | 10040802 |