Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventories

Schedule of inventories

Inventories are summarized as follows (in thousands):

	June 30, 2013		December 31, 2012
Coal	$	258,181	$	228,910
Raw materials and supplies		81,403		77,108
Total inventories	$	339,584	$	306,018