v3.26.1
ASSET RETIREMENT OBLIGATIONS
12 Months Ended
Dec. 31, 2025
ASSET RETIREMENT OBLIGATIONS.  
ASSET RETIREMENT OBLIGATIONS

NOTE 4—ASSET RETIREMENT OBLIGATIONS

We estimate asset retirement obligations (“ARO”) for final reclamation based upon detailed engineering calculations of the amount and timing of the future cash spending for a third party to perform the required work. Amounts recorded related to asset retirement obligations were as follows:

December 31, 

(In thousands)

  ​ ​ ​

2025

  ​ ​ ​

2024

Balance at beginning of year

$

31,087

$

28,960

Additional asset retirement obligations acquired/incurred

 

1,040

 

470

Expenditures made

(58)

(237)

Accretion expense

 

1,667

 

1,465

Revisions to estimates

 

1,183

 

429

Balance at end of year

$

34,919

$

31,087