National Mine
Past ProducerCopperUndergroundUSGS MRDS
Location
| State | Michigan |
| County | Ontonagon |
| Coordinates | 46.72722, -89.18674 |
Commodities
| Primary | Copper |
| Secondary | Silver |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Deposit Type | Secondary Enrichment |
| First Production | 1848 |
| Last Production | 1908 |
| Data Source | USGS MRDS |
| Source ID | 10106197 |