Four Brothers
ProspectCopperUndergroundUSGS MRDS
Location
| State | Washington |
| County | Snohomish |
| Coordinates | 48.07561, -121.56812 |
Commodities
| Primary | Copper |
Mine Details
| Status | Prospect |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10253673 |
| State | Washington |
| County | Snohomish |
| Coordinates | 48.07561, -121.56812 |
| Primary | Copper |
| Status | Prospect |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10253673 |