Thorium Mines
427Total Sites
8Active
Top States
| State | Sites |
|---|---|
| Idaho | 149 |
| Colorado | 140 |
| Montana | 71 |
| North Carolina | 24 |
| New Mexico | 11 |
| California | 9 |
| Wyoming | 7 |
| Pennsylvania | 3 |
| Tennessee | 2 |
| New York | 2 |
| Nevada | 2 |
| Arizona | 2 |
| Virginia | 1 |
| Massachusetts | 1 |
| Illinois | 1 |
Notable Sites
| Mine | State | County | Status |
|---|---|---|---|
| Lucky Strike No 2 | Idaho | Lemhi | Producer |
| Lucky Strike No. 3 | Idaho | Lemhi | Producer |
| Madison Plant | Illinois | Madison | Producer |
| Mornell | Idaho | Lemhi | Producer |
| Nuclear Fuels Plant--apollo, Pa. | Pennsylvania | Armstrong | Producer |
| Trail | Colorado | El Paso | Producer |
| Twenty One | Colorado | El Paso | Producer |
| Unknown | Colorado | Custer | Producer |
| Adair Group | Colorado | Gunnison | Occurrence |
| Agency Claim | Idaho | Lemhi | Occurrence |
| Alder Creek & West Fork | Idaho | Boise | Past Producer |
| Allanite Occurrence | Idaho | Lemhi | Occurrence |
| Allie Claims | Wyoming | Natrona | Occurrence |
| American Thorium | Idaho | Lemhi | Occurrence |
| Atomergic Chemetals/plainview, N.y. | New York | Nassau | Unknown |
| Atomic Blast | Montana | Beaverhead | Occurrence |
| Atomic Blast | Montana | Beaverhead | Prospect |
| Atomic Blast Nos. 7 And 8 Prospect | Idaho | Lemhi | Occurrence |
| B & W Nuclear Fuels/ Lynchburg, Va. | Virginia | Campbell | Unknown |
| B&b Nos. 1 And 4 | Montana | Beaverhead | Occurrence |
| Babcox & Wilcox Leechburg Plant | Pennsylvania | Armstrong | Past Producer |
| Badger Claim Group | Idaho | Lemhi | Occurrence |
| Barbara | Idaho | Lemhi | Unknown |
| Barite Lode | Colorado | Custer | Prospect |
| Barite Lode 2 | Colorado | Custer | Prospect |
| Barlejon No 2 | New Mexico | Lincoln | Prospect |
| Barry Prospect | New Mexico | Lincoln | Prospect |
| Bassier Mine | Colorado | Custer | Past Producer |
| Beaverhead | Montana | Beaverhead | Occurrence |
| Beaverhead | Montana | Beaverhead | Occurrence |
| Beaverhead Prospect | Idaho | Lemhi | Occurrence |
| Benny Prospect | Idaho | Lemhi | Occurrence |
| Benny Prospect | Idaho | Lemhi | Occurrence |
| Bettis Atomic Power Lab/w. Mifflin | Pennsylvania | Allegheny | Unknown |
| Betty Joe | Idaho | Lemhi | Occurrence |
| Big Dean No. 1 Prospect | Idaho | Lemhi | Occurrence |
| Big Knob Creek Monazite Placer E Trib | North Carolina | Cleveland | Past Producer |
| Big Knob Creek Monazite Placer Ne Trib | North Carolina | Cleveland | Past Producer |
| Big Lost Nos. 1 And 2 Prospect | Idaho | Lemhi | Occurrence |
| Big Lost Nos. 1 And 2 Prospect | Idaho | Lemhi | Occurrence |
| Big Mac Group | Colorado | Fremont | Prospect |
| Big Mac Group 1-3 | Colorado | Fremont | Past Producer |
| Big Maria Claims | California | Riverside | Occurrence |
| Big Thor Nos. 1 And 2 Vein Prospect | Idaho | Lemhi | Occurrence |
| Bighorn | Montana | Beaverhead | Occurrence |
| Black Bear | Idaho | Lemhi | Occurrence |
| Black Bull Fraction No. 4 Deposit | Idaho | Lemhi | Unknown |
| Black Rock | Montana | Beaverhead | Prospect |
| Black Rock | Idaho | Lemhi | Unknown |
| Black Widow Nos. 15 And 16 Prospect | Idaho | Lemhi | Occurrence |