Keystone
Past ProducerGoldUSGS MRDS
Location
| State | California |
| County | Madera |
| Coordinates | 37.51299, -119.55014 |
Commodities
| Primary | Gold |
Mine Details
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10103195 |
| State | California |
| County | Madera |
| Coordinates | 37.51299, -119.55014 |
| Primary | Gold |
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10103195 |