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INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2020
INVENTORIES  
Schedule of inventories

June 30, 

December 31, 

2020

    

2019

 

(in thousands)

Coal

$

51,418

$

63,645

Supplies (net of reserve for obsolescence of $5,762 and $5,555, respectively)

 

36,975

 

37,660

Total inventories, net

$

88,393

$

101,305