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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2021
INVENTORIES  
Schedule of inventories

December 31, 

2021

    

2020

 

(in thousands)

Coal

$

24,845

$

19,756

Supplies (net of reserve for obsolescence of $5,554 and $5,547, respectively)

 

35,457

 

36,651

Total inventories, net

$

60,302

$

56,407