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        <title>Cleveland-Cliffs Inc. Quarterly report pursuant to Section 13 or 15(d)</title>
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            <h3>Quarterly report pursuant to Section 13 or 15(d)</h3>
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                                <a class="menu-item " href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3279">Financial Statements</a>
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                                <a class="menu-item " href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3285">Notes to Financial Statements</a>
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                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3285">BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3286">NEW ACCOUNTING STANDARDS</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3287">SEGMENT REPORTING</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3288">REVENUE</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3289">PROPERTY, PLANT AND EQUIPMENT</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3290">DEBT AND CREDIT FACILITIES</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3291">FAIR VALUE MEASUREMENTS</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3292">PENSIONS AND OTHER POSTRETIREMENT BENEFITS</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3293">STOCK COMPENSATION PLANS</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3294">INCOME TAXES</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3295">ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3296">DERIVATIVE INSTRUMENTS</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3297">DISCONTINUED OPERATIONS</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3298">SHAREHOLDERS&#039; EQUITY</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3299">ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3300">CASH FLOW INFORMATION</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3301">RELATED PARTIES</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3302">EARNINGS PER SHARE</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3303">COMMITMENTS AND CONTINGENCIES</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3304">SUBSEQUENT EVENTS</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3305">SUPPLEMENTARY GUARANTOR INFORMATION</a></li>
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                                <a class="menu-item " href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3306">Accounting Policies</a>
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                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3306">BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Policies)</a></li>
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                                <a class="menu-item current" href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3307">Notes Tables</a>
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                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3307">BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3308">SEGMENT REPORTING (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3309">REVENUE (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3310">PROPERTY, PLANT AND EQUIPMENT (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3311">DEBT AND CREDIT FACILITIES (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3312">FAIR VALUE MEASUREMENTS (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3313">PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3314">STOCK COMPENSATION PLANS (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3315">ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3316">DERIVATIVE INSTRUMENTS (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3317">DISCONTINUED OPERATIONS (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3318">ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3319">CASH FLOW INFORMATION (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3320">RELATED PARTIES (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3321">EARNINGS PER SHARE (Tables)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3322">SUPPLEMENTARY GUARANTOR INFORMATION (Tables)</a></li>
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                                <a class="menu-item " href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3323">Notes Details</a>
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                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3323">BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3324">SEGMENT REPORTING (Narrative) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3325">SEGMENT REPORTING (Schedule of Segment Reporting Information) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3326">SEGMENT REPORTING (Reconciliation of Assets from Segment to Consolidated) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3327">REVENUE (Deferred Revenue) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3328">REVENUE (Narrative) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3329">PROPERTY, PLANT AND EQUIPMENT (Value Of Each Of The Major Classes Of Consolidated Depreciable Assets) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3330">PROPERTY, PLANT AND EQUIPMENT (Narrative) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3331">DEBT AND CREDIT FACILITIES DEBT AND CREDIT FACILITIES (Narrative) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3332">DEBT AND CREDIT FACILITIES (Schedule Of Long-Term Debt) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3333">DEBT AND CREDIT FACILITIES DEBT AND CREDIT FACILITIES (Debt Instrument Redemption) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3334">DEBT AND CREDIT FACILITIES DEBT AND CREDIT FACILITIES (Schedule of Extinguishment of Debt) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3335">DEBT AND CREDIT FACILITIES (Schedule of Debt Maturities) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3336">DEBT AND CREDIT FACILITIES DEBT AND CREDIT FACILITIES (ABL Facility) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3337">FAIR VALUE MEASUREMENTS (Fair Value of Assets and Liabilities) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3338">FAIR VALUE MEASUREMENTS (Schedule Of Quantitative Inputs And Assumptions For Level 3 Assets And Liabilities) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3339">FAIR VALUE MEASUREMENTS (Fair Value, Assets and Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3340">FAIR VALUE MEASUREMENTS (Carrying Value And Fair Value Of Financial Instruments Disclosure) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3341">FAIR VALUE MEASUREMENTS (Narrative) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3342">PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Estimated Net Periodic Benefit Cost) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3343">PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Narrative) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3344">STOCK COMPENSATION PLANS (Assumptions Utilized to Estimate Fair Value for Performance Share Grants) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3345">STOCK COMPENSATION PLANS (Narrative) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3346">INCOME TAXES (Narrative) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3347">ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Summary Of Mine Closure Obligations) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3348">ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Asset Retirement Obligation Disclosure) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3349">DERIVATIVE INSTRUMENTS (Schedule Of Derivative Instruments In Statement Of Financial Position, Fair Value) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3350">DERIVATIVE INSTRUMENTS (Schedule Of Derivatives Not Designated As Hedging Instruments) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3351">DERIVATIVE INSTRUMENTS (Schedule of Notional Amounts of Outstanding Derivatives) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3352">DISCONTINUED OPERATIONS (Schedule of Disposal Groups, Including Discontinued Operations) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3353">SHAREHOLDERS&#039; EQUITY (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3354">ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3355">ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details of Accumulated Other Comprehensive Income (Loss) Components) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3356">CASH FLOW INFORMATION (Narrative) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3357">CASH FLOW INFORMATION (Reconciliation Of Capital Additions To Cash Paid For Capital Expenditures) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3358">RELATED PARTIES (Summary Of Other Ownership Interests) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3359">RELATED PARTIES (Summary Of Related Party Transactions Table Disclosure) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3360">RELATED PARTIES (Summary of Balance Sheet Presentation) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3361">RELATED PARTIES (Narrative) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3362">EARNINGS PER SHARE (Earnings Per Share Computation) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3363">COMMITMENTS AND CONTINGENCIES (Purchase Commitments) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3364">SUPPLEMENTARY GUARANTOR INFORMATION (Supplementary Statements of Condensed Consolidating Financial Position) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3365">SUPPLEMENTARY GUARANTOR INFORMATION (Supplementary Statements of Condensed Consolidating Operations and Comprehensive Income) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3366">SUPPLEMENTARY GUARANTOR INFORMATION (Supplementary Statements of Condensed Consolidating Cash Flows) (Details)</a></li>
                                                                            <li><a href="/investors/sec-filings/quarterly-reports/xbrl_doc_only/3367">SUPPLEMENTARY GUARANTOR INFORMATION (Narrative) (Details)</a></li>
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                <h4>ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)</h4>
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