REE Mines
211Total Sites
14Active
Top States
| State | Sites |
|---|---|
| Idaho | 70 |
| California | 34 |
| Colorado | 25 |
| Montana | 17 |
| Alaska | 17 |
| New Mexico | 8 |
| New Jersey | 6 |
| South Carolina | 5 |
| Nevada | 5 |
| Washington | 4 |
| Texas | 4 |
| Pennsylvania | 3 |
| Arizona | 3 |
| Wyoming | 2 |
| New York | 2 |
Notable Sites
| Mine | State | County | Status |
|---|---|---|---|
| Amer. Metallur. Prdts--new Castle | Pennsylvania | Lawrence | Producer |
| Charleston County Mine | South Carolina | Charleston | Producer |
| Foote Mineral Co--exton, Pa. | Pennsylvania | Chester | Producer |
| Greenbank Sand & Gravel | Washington | Island | Producer |
| Henni Pit And Mill | Washington | Island | Producer |
| Hitachi Magnetics Corp--edmore, Mi. | Michigan | Montcalm | Producer |
| Jasper Cut Area | Colorado | Gilpin | Producer |
| Louviers Plant | Colorado | Douglas | Producer |
| Molycorp Rare Earth Chemicals-york | Pennsylvania | York | Producer |
| Rusty Gold And Cerite | Colorado | Boulder | Producer |
| Union Carbide/ Fostoria, Ohio | Ohio | Seneca | Producer |
| Unknown | Colorado | Grand | Producer |
| Unknown | California | San Bernardino | Producer |
| Vona Mae | Colorado | Larimer | Producer |
| (facility) United States Platinum Refinery | Nevada | Washoe | Plant |
| Aichilik River | Alaska | Occurrence | |
| Aiken County Deposit | South Carolina | Aiken | Past Producer |
| Ajax Prospect | California | Riverside | Prospect |
| Alexander Flats | Idaho | Elmore | Occurrence |
| Alice Prospect | California | San Bernardino | Prospect |
| Almo Basin | Idaho | Cassia | Unknown |
| Almo Basin-circle Creek #1 | Idaho | Cassia | Unknown |
| Almo Basin-circle Creek #2 | Idaho | Cassia | Unknown |
| Almo Basin-circle Creek #3 | Idaho | Cassia | Unknown |
| Almo Basin-edwards Creek | Idaho | Cassia | Unknown |
| Almo Basin-graham Creek | Idaho | Cassia | Unknown |
| Almo Basin-raft River #1 | Idaho | Cassia | Unknown |
| Almo Basin-raft River #2 | Idaho | Cassia | Unknown |
| Alpha Mine | New Mexico | Bernalillo | Unknown |
| Baby Blue Prospect | California | Riverside | Prospect |
| Bear Valley | Idaho | Valley | Past Producer |
| Bench Creek Placer | Idaho | Custer | Prospect |
| Benton | Colorado | Fremont | Occurrence |
| Berg Mountain | Alaska | Occurrence | |
| Berg Mountain Occurrence | Alaska | Occurrence | |
| Bergenfield Plant | New Jersey | Bergen | Past Producer |
| Bird Rock Deposit | California | San Diego | Prospect |
| Black Bow | California | Fresno | Prospect |
| Black Hope No One | Colorado | Boulder | Past Producer |
| Boise Basin | Idaho | Boise | Unknown |
| Brockman Monazite Property | Idaho | Owyhee | Unknown |
| Bullsnake Prospect | California | San Bernardino | Prospect |
| Callender Monazite Property | Idaho | Valley | Prospect |
| Candy & Cake No. 3 | California | San Bernardino | Prospect |
| Cape Horn Creek Placer | Idaho | Custer | Prospect |
| Cardinal Prospect | Idaho | Lemhi | Occurrence |
| Carson City Monazite-bearing Placer | Nevada | Carson City | Prospect |
| Casner Creek | Idaho | Valley | Unknown |
| Cavendish Summit | Idaho | Clearwater | Occurrence |
| Cerac Inc. | Wisconsin | Milwaukee | Past Producer |