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Inventories (Tables)
9 Months Ended
Sep. 30, 2024
Inventories  
Inventories

    

September 30, 

    

December 31, 

 

2024

 

2023

(In thousands)

Coal

$

83,654

$

99,174

Repair parts and supplies

 

151,437

 

145,087

$

235,091

$

244,261