REE, Thorium Mines
12Total Sites
3Active
Top States
| State | Sites |
|---|---|
| Colorado | 5 |
| Idaho | 3 |
| North Carolina | 2 |
| Wyoming | 1 |
| Montana | 1 |
Notable Sites
| Mine | State | County | Status |
|---|---|---|---|
| Heavy Mineral Placer | Idaho | Valley | Producer |
| Sheep Creek | Montana | Ravalli | Producer |
| Unknown | Colorado | Custer | Producer |
| Camp Creek Monazite Placer S Tributary | North Carolina | Cleveland | Past Producer |
| Deer No. 24 Thorium Prospect | Idaho | Lemhi | Occurrence |
| Dictator No. 6 Prospect | Idaho | Lemhi | Occurrence |
| Homestake No. 2 Claim | Colorado | Fremont | Prospect |
| Ledford Allanite Prospect | North Carolina | Madison | Occurrence |
| Sewell Ranch | Colorado | Custer | Prospect |
| Unknown | Colorado | Fremont | Occurrence |
| Unknown | Wyoming | Park | Unknown |
| Vona Mae Claims | Colorado | Larimer | Occurrence |