Twenty Grand Claim
ProspectThorium, REESurface-UndergroundUSGS MRDS
Location
| State | Colorado |
| County | Custer |
| Coordinates | 38.21084, -105.32918 |
Commodities
| Primary | Thorium, REE |
Mine Details
| Status | Prospect |
| Type | Surface-Underground |
| Discovery Year | 1952 |
| Data Source | USGS MRDS |
| Source ID | 10087731 |
What This Means
This location is classified as a mineral prospect or occurrence — a site where minerals have been identified but no significant mining has taken place. These sites typically have minimal environmental impact but indicate the presence of mineral deposits in the area.