Superior
Past ProducerUndergroundUSGS MRDS
Location
| State | Michigan |
| County | Ontonagon |
| Coordinates | 46.74000, -89.14787 |
Commodities
| Tertiary | Copper |
Mine Details
| Status | Past Producer |
| Type | Underground |
| First Production | 1860 |
| Discovery Year | 1855 |
| Data Source | USGS MRDS |
| Source ID | 10146334 |