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Inventories (Tables)
3 Months Ended
Mar. 31, 2020
Inventories  
Inventories

Inventories consist of the following:

    

March 31, 

    

December 31, 

 

2020

 

2019

(In thousands)

Coal

$

62,023

$

46,815

Repair parts and supplies

 

87,963

 

84,083

$

149,986

$

130,898