Superior
Past ProducerUndergroundUSGS MRDS
Location
| State | Michigan |
| County | Houghton |
| Coordinates | 47.07670, -88.59945 |
Commodities
| Tertiary | Copper, Silver |
Mine Details
| Status | Past Producer |
| Type | Underground |
| First Production | 1908 |
| Discovery Year | 1904 |
| Data Source | USGS MRDS |
| Source ID | 10146072 |