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INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2022
INVENTORIES  
Schedule of inventories

    

June 30, 

December 31, 

2022

    

2021

 

(in thousands)

Coal

$

63,933

$

24,845

Supplies (net of reserve for obsolescence of $5,620 and $5,554, respectively)

 

45,743

 

35,457

Total inventories, net

$

109,676

$

60,302