Howard Shaft
Past ProducerManganeseUndergroundUSGS MRDS
Location
| State | Colorado |
| County | Lake |
| Coordinates | 39.24860, -106.22644 |
Commodities
| Primary | Manganese |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10117957 |
| State | Colorado |
| County | Lake |
| Coordinates | 39.24860, -106.22644 |
| Primary | Manganese |
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10117957 |