Annual report pursuant to Section 13 and 15(d)

Asset Retirement Obligations (Tables)

v3.20.4
Asset Retirement Obligations (Tables)
12 Months Ended
Dec. 31, 2020
Asset Retirement Obligations (Tables)  
Schedule of Asset Retirement Obligations

Asset Retirement Obligations

 

 Total

 

 

 

 

 

December 31, 2017

 

 

27,036

 

 

 

 

 

 

 Change in estimated reclamation costs

 

 

2,840

 

 Accretion expense

 

 

508

 

 

 

 

 

 

December 31, 2018

 

 

30,384

 

 

 

 

 

 

 Change in estimated reclamation costs

 

 

11

 

 Accretion expense

 

 

577

 

 

 

 

 

 

December 31, 2019

 

 

30,972

 

 

 

 

 

 

 Change in estimated reclamation costs

 

 

(1,583 )

 Accretion expense

 

 

576

 

 

 

 

 

 

December 31, 2020

 

 

29,965