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Inventories (Tables)
3 Months Ended
Mar. 31, 2024
Inventories  
Inventories

    

March 31, 

    

December 31, 

 

2024

 

2023

(In thousands)

Coal

$

95,492

$

99,174

Repair parts and supplies

 

148,198

 

145,087

$

243,690

$

244,261