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Long-Term Reclamation Liability (Tables)
9 Months Ended
Sep. 30, 2019
Asset Retirement Obligation Disclosure [Abstract]  
Reconciliation of the Aggregate Reclamation Liability
Following is a reconciliation of the aggregate reclamation liability associated with our reclamation plan for our mining projects:
 
Nine Months Ended
 
Twelve Months
 Ended
 
September 30, 2019
 
December 31, 2018
Long-term reclamation liability — beginning of period
$
7,441,091

 
$
7,417,680

Additional obligations incurred

 

Reduction of obligation
(410,018
)
 

Accretion of reclamation liability
17,130

 
23,411

Long-term reclamation liability — end of period
$
7,048,203

 
$
7,441,091