Isle Royale
Past ProducerCopper, SilverUndergroundUSGS MRDS
Location
| State | Michigan |
| County | Houghton |
| Coordinates | 47.10030, -88.57675 |
Commodities
| Primary | Copper, Silver |
Mine Details
| Status | Past Producer |
| Type | Underground |
| First Production | 1853 |
| Discovery Year | 1852 |
| Data Source | USGS MRDS |
| Source ID | 10267794 |