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Reclamation
 6 Months Ended
Jun. 30, 2019
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 June 30,
 
Six Months Ended June 30,
In thousands
2019
 
2018
 
2019
 
2018
Asset retirement obligation - Beginning

$135,741

 

$120,848

 
$
133,508

 
$
118,799

Accretion
2,959

 
2,766

 
5,854

 
5,311

Settlements
(1,155
)
 
(707
)
 
(1,817
)
 
(1,203
)
Asset retirement obligation - Ending

$137,545

 

$122,907

 
$
137,545

 
$
122,907


The Company accrued $2.1 million and $2.0 million at June 30, 2019 and December 31, 2018, respectively, for reclamation liabilities related to former mining activities, which are included in Reclamation.