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PROPERTY, PLANT AND EQUIPMENT (Tables)
3 Months Ended
Mar. 31, 2024
PROPERTY, PLANT AND EQUIPMENT  
Schedule of net book value of property, plant and equipment

Net Book Value of Property, Plant and Equipment at March 31, 2024

(thousands of dollars)

    

Alabama

    

Corporate

    

Total

Mineral rights and properties

$

8,972

$

$

8,972

Other property, plant and equipment

 

5,786

 

17

 

5,803

Construction in progress

119,265

119,265

Total

$

134,023

$

17

$

134,040

Net Book Value of Property, Plant and Equipment at December 31, 2023

(thousands of dollars)

    

Alabama

    

Corporate

    

Total

Mineral rights and properties

$

8,972

$

$

8,972

Other property, plant and equipment

 

5,845

 

18

 

5,863

Construction in progress

117,565

117,565

Total

$

132,382

$

18

$

132,400