Gratiot Copper Mine
Past ProducerSilver, CopperUSGS MRDS
Location
| State | Michigan |
| County | Keweenaw |
| Coordinates | 47.31472, -88.34504 |
Commodities
| Primary | Silver, Copper |
Mine Details
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10082844 |
| State | Michigan |
| County | Keweenaw |
| Coordinates | 47.31472, -88.34504 |
| Primary | Silver, Copper |
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10082844 |