Portland Open Pit
Past ProducerSurfaceUSGS MRDS
Location
| State | Michigan |
| County | Baraga |
| Coordinates | 46.53360, -88.15284 |
Commodities
| Tertiary | Iron |
Mine Details
| Status | Past Producer |
| Type | Surface |
| First Production | 1909 |
| Discovery Year | 1909 |
| Data Source | USGS MRDS |
| Source ID | 10170322 |