Helena
OccurrenceCopperUndergroundUSGS MRDS
Location
| State | Washington |
| County | Snohomish |
| Coordinates | 48.14091, -121.57062 |
Commodities
| Primary | Copper |
| Tertiary | Gold, Silver |
Mine Details
| Status | Occurrence |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10131693 |