Union Gulch
UnknownCopperUSGS MRDS
Location
| State | California |
| County | Marin |
| Coordinates | 37.97159, -122.73246 |
Commodities
| Primary | Copper |
| Tertiary | Gold, Silver |
Mine Details
| Status | Unknown |
| Data Source | USGS MRDS |
| Source ID | 10187864 |
| State | California |
| County | Marin |
| Coordinates | 37.97159, -122.73246 |
| Primary | Copper |
| Tertiary | Gold, Silver |
| Status | Unknown |
| Data Source | USGS MRDS |
| Source ID | 10187864 |