Exhibit 23.1
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AUDITORS’ CONSENT
The Board of Directors
Consolidated Thompson Iron Mines Limited
We consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-30391, No. 333-56661, No. 333-06049, No. 333-84479, No. 333-64008, No. 333-165021, and No. 333-172649) and on Form S-3 (No. 333-153873, No. 333-153890, and No. 333-159162) of Cliffs Natural Resources Inc. of our report dated March 9, 2011 except for Note 25 which is dated May 13, 2011, to the Board of Directors of Consolidated Thompson Iron Mines Limited with respect to the consolidated balance sheets of Consolidated Thompson Iron Mines Limited as at December 31, 2010 and 2009 and the related consolidated statements of operations and comprehensive income, cash flows and shareholders’ equity for each of the years in the three-year period ended December 31, 2010, which report appears in the Form 8-K/A of Cliffs Natural Resources Inc. dated June 6, 2011.
/s/ KPMG LLP
Chartered Accountants
Montréal, Canada
June 6, 2011
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