Clark Manganese Deposit
Past ProducerUndergroundUSGS MRDS
Location
| State | Michigan |
| County | Keweenaw |
| Coordinates | 47.45690, -87.86503 |
Commodities
| Tertiary | Manganese |
Mine Details
| Status | Past Producer |
| Type | Underground |
| First Production | 1881 |
| Discovery Year | 1881 |
| Data Source | USGS MRDS |
| Source ID | 10194276 |