Challenge Copper Mine
Past ProducerCopperUndergroundUSGS MRDS
Location
| State | Michigan |
| County | Houghton |
| Coordinates | 46.99000, -88.74926 |
Commodities
| Primary | Copper |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10218257 |