Keystone Mine
Past ProducerSilverUSGS MRDS
Location
| State | Arizona |
| County | Yuma |
| Coordinates | 33.04424, -114.01856 |
Commodities
| Primary | Silver |
| Tertiary | Manganese |
Mine Details
| Status | Past Producer |
| Deposit Type | Vein |
| Data Source | USGS MRDS |
| Source ID | 10102435 |
| State | Arizona |
| County | Yuma |
| Coordinates | 33.04424, -114.01856 |
| Primary | Silver |
| Tertiary | Manganese |
| Status | Past Producer |
| Deposit Type | Vein |
| Data Source | USGS MRDS |
| Source ID | 10102435 |