ASSET RETIREMENT OBLIGATION (Tables)

6 Months Ended

Jun. 30, 2014

ASSET RETIREMENT OBLIGATION

Schedule of reconciliation of the Company's asset retirement obligations

	June 30, 2014
	(in thousands)
Balance at beginning of period	$	26,785
Liabilities incurred in current period	431
Liabilities settled in current period	(260		)
Accretion expense	1,242
Balance at end of period	$	28,198