Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventories

Schedule of inventories

Inventories are summarized as follows (in thousands):

	March 31, 2013		December 31, 2012
Coal	$	217,557	$	228,910
Raw materials and supplies		84,736		77,108
Total inventories	$	302,293	$	306,018