Castle Gulch
Past ProducerGemstoneUndergroundUSGS MRDS
Location
| State | Colorado |
| County | Boulder |
| Coordinates | 40.11608, -105.38809 |
Commodities
| Primary | Gemstone |
| Tertiary | Silver |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10117677 |