<SEC-DOCUMENT>0000764065-17-000058-index.html : 20170310 <SEC-HEADER>0000764065-17-000058.hdr.sgml : 20170310 <ACCEPTANCE-DATETIME>20170310172757 ACCESSION NUMBER: 0000764065-17-000058 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170307 ITEM INFORMATION: Mine Safety - Reporting of Shutdowns and Patterns of Violations FILED AS OF DATE: 20170310 DATE AS OF CHANGE: 20170310 FILER: 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 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-08944 FILM NUMBER: 17683181 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 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>a20170308-107aorder.htm <DESCRIPTION>8-K <TEXT> Document 1 - file: a20170308-107aorder.htm
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