Trimountain
Past ProducerCopperUndergroundUSGS MRDS
Location
| State | Michigan |
| County | Houghton |
| Coordinates | 47.05190, -88.65566 |
Commodities
| Primary | Copper |
Mine Details
| Status | Past Producer |
| Type | Underground |
| First Production | 1902 |
| Discovery Year | 1898 |
| Data Source | USGS MRDS |
| Source ID | 10243378 |