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Asset Retirement Obligations
3 Months Ended
Mar. 31, 2014
Asset Retirement Obligation Disclosure [Abstract]  
ASSET RETIREMENT OBLIGATIONS
owing table summarizes the changes in the Company’s asset retirement obligations for the three months ended March 31, 2014 (in thousands).
 
 
Beginning asset retirement obligations
$
7,484

Liabilities incurred during period
358

Liabilities settled during period
(22
)
Revisions in estimated cash flows
1,489

Accretion expense
117

Ending asset retirement obligations
9,426

Less: current asset retirement obligations(1)
(407
)
Long-term asset retirement obligations
$
9,019

 _______________
(1) 
Included in accrued liabilities in the Company’s unaudited condensed consolidated balance sheet at March 31, 2014.