CONCENTRATION OF CREDIT RISK AND MAJOR CUSTOMERS (Tables)

12 Months Ended

Dec. 31, 2013

CONCENTRATION OF CREDIT RISK AND MAJOR CUSTOMERS

Schedule of Total Revenues from Major Customers

Total revenues from major customers, including transportation revenues, which are at least ten percent of total revenues, are as follows (in thousands):

		Year Ended December 31,
	Segment (Note 21)	2013	2012	2011
Customer A	Illinois Basin	$   319,932	$   336,560	$   231,838
Customer B	Illinois Basin	263,582	243,339	249,047