Seneca
Past ProducerCopperUndergroundUSGS MRDS
Location
| State | Michigan |
| County | Keweenaw |
| Coordinates | 47.38110, -88.34864 |
Commodities
| Primary | Copper |
Mine Details
| Status | Past Producer |
| Type | Underground |
| First Production | 1887 |
| Discovery Year | 1874 |
| Data Source | USGS MRDS |
| Source ID | 10292488 |