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INVENTORIES
12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
The components of Inventories were as follows (in thousands):
December 31,
20222021
Materials and supplies$103,380 
$
79,372 
Stockpiled ore 54,504 27,589 
Leach pad inventory300,715 243,627 
Work-in-process 7,549 4,951 
Finished goods35,459 33,877 
Total current inventories
$501,607 
$
389,416 
  
Stockpiled ore 217,154 220,324 
Materials and supplies1,845 1,293 
Total non-current inventories 
$218,999 
$
221,617 
As of December 31, 2022 and 2021, the Company has recognized a reserve of $11.8 million and $8.1 million for obsolete materials and supplies inventory, respectively.
No write-downs of stockpiled ore inventories were recognized for the years ended December 31, 2022 and 2021. During the year ended December 31, 2020, the Company recognized write-downs of stockpiled ore inventories of $12.1 million classified as components of Cost of sales and Depreciation, depletion and amortization.