Mineral Rights

6 Months Ended

Jun. 30, 2013

Text Block [Abstract]

Mineral Rights

5. Mineral Rights

The Partnership’s mineral rights consist of the following:

	June 30, 2013			December 31, 2012
	(In thousands) (Unaudited)
Mineral rights	$	1,822,594		$	1,815,423
Less accumulated depletion and amortization		(462,208	)		(434,950	)
Net book value	$	1,360,386		$	1,380,473
	Six months ended June 30,
	2013			2012
	(In thousands) (Unaudited)
Total depletion and amortization expense on mineral rights	$	27,338		$	21,680