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Reclamation
3 Months Ended
Mar. 31, 2023
Asset Retirement Obligation Disclosure [Abstract]  
RECLAMATION RECLAMATION
Reclamation and mine closure costs are based principally on legal and regulatory requirements. Management estimates costs associated with reclamation of mining properties. On an ongoing basis, management evaluates its estimates and assumptions, and future expenditures could differ from current estimates.
Changes to the Company’s asset retirement obligations for its operating sites are as follows:
Three Months Ended March 31,
In thousands20232022
Asset retirement obligation - Beginning$202,431 $180,156 
Accretion3,993 3,463 
Settlements(1,044)(1,056)
Asset retirement obligation - Ending$205,380 $182,563