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  <xs:element id="clf_FiniteLivedIntangibleLiabilitiesAmortizationCreditYearOne" abstract="false" name="FiniteLivedIntangibleLiabilitiesAmortizationCreditYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="clf_FiniteLivedIntangibleLiabilitiesAmortizationCreditYearTwo" abstract="false" name="FiniteLivedIntangibleLiabilitiesAmortizationCreditYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="clf_FiniteLivedIntangibleLiabilitiesAmortizationCreditYearThree" abstract="false" name="FiniteLivedIntangibleLiabilitiesAmortizationCreditYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="clf_FiniteLivedIntangibleLiabilitiesAmortizationCreditYearFour" abstract="false" name="FiniteLivedIntangibleLiabilitiesAmortizationCreditYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="clf_FiniteLivedIntangibleLiabilitiesAmortizationCreditYearFive" abstract="false" name="FiniteLivedIntangibleLiabilitiesAmortizationCreditYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="clf_ClevelandCliffsInc.Member" abstract="true" name="ClevelandCliffsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_A46252029SeniorNotesMember" abstract="true" name="A46252029SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_A6.8752029SeniorNotesMember" abstract="true" name="A6.8752029SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_A67502030SeniorNotesMember" abstract="true" name="A67502030SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_A48752031SeniorNotesMember" abstract="true" name="A48752031SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_A7.5002031SeniorNotesMember" abstract="true" name="A7.5002031SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_A7.0002032SeniorNotesMember" abstract="true" name="A7.0002032SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_A7.3752033SeniorNotesMember" abstract="true" name="A7.3752033SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_A7.6252034SeniorNotesMember" abstract="true" name="A7.6252034SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_A62502040SeniorNotesMember" abstract="true" name="A62502040SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_DebtInstrumentCovenantFixedChargeCoverageRatioMinimum" abstract="false" name="DebtInstrumentCovenantFixedChargeCoverageRatioMinimum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="clf_MarketStockUnitsMember" abstract="true" name="MarketStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="clf_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="clf_DerivativeInstrumentPercentageOfInterestInCommodityOption" abstract="false" name="DerivativeInstrumentPercentageOfInterestInCommodityOption" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="clf_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationForeignCurrencyTranslation" abstract="false" name="FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationForeignCurrencyTranslation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="clf_CashSettledSalesSwapsMember" abstract="true" name="CashSettledSalesSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_HRCMember" abstract="true" name="HRCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_SunCokeMiddletownMember" abstract="true" name="SunCokeMiddletownMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="clf_OtherAssetsLiabilitiesNet" abstract="false" name="OtherAssetsLiabilitiesNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
