Keystone
OccurrenceGold, Silver, CopperUSGS MRDS
Location
| State | Washington |
| County | Yakima |
| Coordinates | 46.83482, -121.28868 |
Commodities
| Primary | Gold, Silver, Copper |
| Tertiary | Tungsten, Lead |
Mine Details
| Status | Occurrence |
| Discovery Year | 1913 |
| Data Source | USGS MRDS |
| Source ID | 10048645 |