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Inventories
12 Months Ended
Dec. 31, 2021
Inventories  
Inventories

9. Inventories

Inventories consist of the following:

    

December 31, 

    

December 31, 

 

2021

 

2020

(In thousands)

Coal

$

75,653

$

49,436

Repair parts and supplies

 

81,081

 

76,572

$

156,734

$

126,008

The repair parts and supplies are stated net of an allowance for slow-moving and obsolete inventories of $2.3 million at December 31, 2021 and $0.6 million at December 31, 2020.