<SEC-DOCUMENT>0000764065-17-000056-index.html : 20170303 <SEC-HEADER>0000764065-17-000056.hdr.sgml : 20170303 <ACCEPTANCE-DATETIME>20170303161406 ACCESSION NUMBER: 0000764065-17-000056 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20170222 FILED AS OF DATE: 20170303 DATE AS OF CHANGE: 20170303 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CLIFFS NATURAL RESOURCES INC. CENTRAL INDEX KEY: 0000764065 STANDARD INDUSTRIAL CLASSIFICATION: METAL MINING [1000] IRS NUMBER: 341464672 STATE OF INCORPORATION: OH FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 200 PUBLIC SQUARE STREET 2: STE. 3300 CITY: CLEVELAND STATE: OH ZIP: 44114-2315 BUSINESS PHONE: 216-694-5700 MAIL ADDRESS: STREET 1: 200 PUBLIC SQUARE STREET 2: STE. 3300 CITY: CLEVELAND STATE: OH ZIP: 44114-2315 FORMER COMPANY: FORMER CONFORMED NAME: CLEVELAND CLIFFS INC DATE OF NAME CHANGE: 19920703 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Cebula R Christopher CENTRAL INDEX KEY: 0001699145 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-08944 FILM NUMBER: 17663677 MAIL ADDRESS: STREET 1: 200 PUBLIC SQUARE, SUITE 3300 CITY: CLEVELAND STATE: OH ZIP: 44114 </SEC-HEADER> <DOCUMENT> <TYPE>3 <SEQUENCE>1 <FILENAME>wf-form3_148857563279266.xml <DESCRIPTION>FORM 3 <TEXT> Document 1 - file: wf-form3_148857563279266.html
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</DOCUMENT> <DOCUMENT> <TYPE>EX-24 <SEQUENCE>2 <FILENAME>ex-24.htm <DESCRIPTION>CEBULA POWER OF ATTORNEY <TEXT> Document 2 - file: ex-24.htm
</DOCUMENT> </SEC-DOCUMENT>