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INVENTORIES (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Inventory |  |
Coal | $ 118,171 | $ 56,549
Finished goods (net of reserve for obsolescence) | 4,109 | 3,908
Work in process | 708 | 791
Raw materials | 2,107 | 2,144
Total operating inventories, net | 125,095 | 63,392
Supplies (net of reserve for obsolescence) | 71,130 | 64,164
Total inventories, net | 196,225 | 127,556
Reduce inventory carrying value to market | 16,900 |
Manufactured goods |  |
Inventory |  |
Reserve for obsolescence | 784 | 728
Supplies |  |
Inventory |  |
Reserve for obsolescence | $ 7,758 | $ 7,439

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