Boyd Tunnel
Past ProducerManganeseUndergroundUSGS MRDS
Location
| State | Colorado |
| County | Lake |
| Coordinates | 39.26669, -106.38621 |
Commodities
| Primary | Manganese |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10214937 |
| State | Colorado |
| County | Lake |
| Coordinates | 39.26669, -106.38621 |
| Primary | Manganese |
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10214937 |