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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2020
INVENTORIES  
Schedule of inventories

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March 31, 

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December 31, 

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2020

    

2019

 

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(in thousands)

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Coal

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$

86,871

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$

63,645

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Supplies (net of reserve for obsolescence of $5,839 and $5,555, respectively)

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37,645

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37,660

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Total inventories, net

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$

124,516

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$

101,305

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