Exhibit 23.6

CONSENT OF SRK (US) CONSULTING, INC.

We hereby consent to the incorporation by betfred gamesreference to Hibbing Taconite 2012 Reserves and Bloom Lake 2011 Reserves in any existing Registration betfred sportsbook reviewStatement of Cliffs Natural Resources Inc. (the “Company”) of any reserve estimates betfred sportsbookand other analyses performed by us in our capacity as an independent consultant to the Company appearing in the Company's Annual BetfredReport on Form 10-K for the year ended December 31, 2012.

Date: February 8, 2013	SRK CONSULTING (US), INC.
	/s/ Fernando Rodrigues
	Name: Fernando Rodrigues, B.S. Mining, MBA MAusIMM, MMSAQP
	Title: Principal Consultant, Mining