LONG-TERM DEBT:



	March 31, 2013		December 31, 2012
Debt:
Senior notes due April 2017 at 8.00%, issued at par value	$	1,500,000	$	1,500,000
Senior notes due April 2020 at 8.25%, issued at par value	1,250,000		1,250,000
Senior notes due March 2021 at 6.375%, issued at par value	250,000		250,000
MEDCO revenue bonds in series due September 2025 at 5.75%	102,865		102,865
Advance royalty commitments (7.43% weighted average interest rate for March 31, 2013 and December 31, 2012)	20,394		20,394
Other long-term notes maturing at various dates through 2031 (total value of $6,956 less unamortized discount of $1,411 at March 31, 2013)	5,545		5,758
	3,128,804		3,129,017
Less amounts due in one year *	4,564		4,544
Long-Term Debt	$	3,124,240	$	3,124,473

* Excludes current portion of Capital Lease Obligations of $8,789 and $8,941 at March 31, 2013 and December 31, 2012, respectively.

Accrued interest related to Long-Term Debt of $113,586 and $63,363 was included in Other Accrued Liabilities in the Consolidated Balance Sheets at March 31, 2013 and December 31, 2012, respectively.