Exhibit 31.1

CERTIFICATION

I, Gary B. Halverson, certify that:

1.	I have reviewed this Amendment No. 1 to the annual report on Form 10-K/A of Cliffs Natural Resources Inc.; and

2.	Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

 

Date:	April 29, 2014		By:		/s/ Gary B. Halverson
					Gary B. Halverson
					President and Chief Executive Officer