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Mineral Properties (Tables) | 3 Months Ended
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Mar. 31, 2022
Mineral Properties (Tables) |
Mineral Property |
|  | Lost Creek |  |  | Pathfinder |  |  | Other U.S. |  |  |  |
Mineral Properties |  | Property |  |  | Mines |  |  | Properties |  |  | Total |
December 31, 2021 |  |  | 4,527 |  |  |  | 17,362 |  |  |  | 13,178 |  |  |  | 35,067 |
Depletion and amortization |  |  | (312 | ) |  |  | - |  |  |  | - |  |  |  | (312 | )
March 31, 2022 |  |  | 4,215 |  |  |  | 17,362 |  |  |  | 13,178 |  |  |  | 34,755 |

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