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PROPERTY, PLANT AND EQUIPMENT | 6 Months Ended
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Jun. 30, 2020
PROPERTY, PLANT AND EQUIPMENT. |
PROPERTY, PLANT AND EQUIPMENT | 6. PROPERTY, PLANT AND EQUIPMENT
|  | Net Book Value of Property, Plant and Equipment at June 30, 2020
(thousands of dollars) |  | Texas |  | Alabama |  | New Mexico |  | Corporate |  | Total
Uranium plant |  | $ | 3,112 |  | $ | — |  | $ | — |  | $ | — |  | $ | 3,112
Mineral rights and properties |  |  | — |  |  | 8,972 |  |  | 7,806 |  |  | — |  |  | 16,778
Other property, plant and equipment |  |  | 422 |  |  | — |  |  | — |  |  | 102 |  |  | 524
Total |  | $ | 3,534 |  | $ | 8,972 |  | $ | 7,806 |  | $ | 102 |  | $ | 20,414
|  | Net Book Value of Property, Plant and Equipment at December 31, 2019
(thousands of dollars) |  | Texas |  | Alabama |  | New Mexico |  | Corporate |  | Total
Uranium plant |  | $ | 3,112 |  | $ | — |  | $ | — |  | $ | — |  | $ | 3,112
Mineral rights and properties |  |  | — |  |  | 8,972 |  |  | 7,806 |  |  | — |  |  | 16,778
Other property, plant and equipment |  |  | 327 |  |  | — |  |  | — |  |  | 120 |  |  | 447
Total |  | $ | 3,439 |  | $ | 8,972 |  | $ | 7,806 |  | $ | 120 |  | $ | 20,337
The Company reviews and evaluates its long-lived assets for impairment on an annual basis or more frequently when events or changes in circumstances indicate that the related carrying amounts may not be recoverable. For the six months ended June 30, 2020 no events or changes in circumstance, including any affects from the COVID-19 pandemic, are believed to have impacted recoverability of the Company’s long-lived assets. Accordingly, it was determined that no interim impairment was necessary.

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- References No definition available. + Details
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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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