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Asset Retirement Obligations
9 Months Ended
Sep. 30, 2013
Asset Retirement Obligation Disclosure [Abstract]  
Asset Retirement Obligations
Asset Retirement Obligations
The following table reflects the changes in the Company’s ARO during the nine months ended September 30, 2013:
 
 
(In thousands)
Balance at December 31, 2012
$
23,234

Liabilities incurred during period
3,066

Liabilities settled during period
23

Accretion expense during period (1)
895

Revisions to estimates
213

Balance at September 30, 2013
$
27,431

 ___________________
(1)
Included in depreciation, depletion and amortization on the Company’s Condensed Consolidated Statement of Operations.
At September 30, 2013, the current portion of the total ARO balance was approximately $0.4 million and is included in accrued liabilities on the Company’s Condensed Consolidated Balance Sheet.