Quarterly report pursuant to Section 13 or 15(d)

CONTINGENCIES (Details)

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CONTINGENCIES (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2024
Dec. 31, 2010
Additional royalty due to disallowed deductions $ 4.7 $ 4.7
Accrued royalties 5.0  
Estimated penalties 0.3  
Decommissioning obligations 8.4  
Additional decommissioning obligations 7.0  
Loss of decommissioning obligations 16.7  
Surety Bonds    
Value of surety bond $ 9.9