Griffin Tunnel
Past ProducerManganeseSurfaceUSGS MRDS
Location
| State | Colorado |
| County | Lake |
| Coordinates | 39.29189, -106.38061 |
Commodities
| Primary | Manganese |
Mine Details
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10142737 |
| State | Colorado |
| County | Lake |
| Coordinates | 39.29189, -106.38061 |
| Primary | Manganese |
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10142737 |