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PROPERTY, PLANT AND EQUIPMENT (Tables) | 6 Months Ended
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Jun. 30, 2020
PROPERTY, PLANT AND EQUIPMENT. |
Net Book Value of 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

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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