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PROPERTY, PLANT AND EQUIPMENT (Tables)

6 Months Ended

Jun. 30, 2021

PROPERTY, PLANT AND EQUIPMENT.

Net Book Value of Property, Plant and Equipment

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​	​	​	​	​	​	​	​	​	​
​	​	Net Book Value of Property, Plant and Equipment at June 30, 2021
(thousands of dollars)		Alabama			Corporate			Total
Mineral rights and properties	​		8,972	​		—	​		8,972
Other property, plant and equipment	​		—	​		11	​		11
Total	​	$	8,972	​	$	11	​	$	8,983

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​	​	​	​	​	​	​	​	​	​
​	​	Net Book Value of Property, Plant and Equipment at December 31, 2020
(thousands of dollars)		Alabama			Corporate			Total
Mineral rights and properties	​		8,972	​		—	​		8,972
Other property, plant and equipment	​		—	​		13	​		13
Total	​	$	8,972	​	$	13	​	$	8,985

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- References

No definition available.

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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=120391452&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

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