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  <xsd:element name="EquityProgramDomain" id="dc_EquityProgramDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" />
  <xsd:element name="HomestakeMember" id="dc_HomestakeMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" />
  <xsd:element name="IndexPerformanceAxis" id="dc_IndexPerformanceAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" nillable="true" />
  <xsd:element name="IndexPerformanceDomain" id="dc_IndexPerformanceDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" />
  <xsd:element name="PeriodOfOperatingLossCarryForwardAxis" id="dc_PeriodOfOperatingLossCarryForwardAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" nillable="true" />
  <xsd:element name="PeriodOfOperatingLossCarryForwardDomain" id="dc_PeriodOfOperatingLossCarryForwardDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" />
  <xsd:element name="RichmondHillMember" id="dc_RichmondHillMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" />
  <xsd:element name="StockIssuedDuringPeriodSharesExerciseOfWarrants" id="dc_StockIssuedDuringPeriodSharesExerciseOfWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" />
  <xsd:element name="StockIssuedDuringPeriodValueExerciseOfWarrants" id="dc_StockIssuedDuringPeriodValueExerciseOfWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" />
  <xsd:element name="PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization" id="dc_PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ExplorationAndEvaluationOperatingSegmentMember" id="dc_ExplorationAndEvaluationOperatingSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MineralRightsAndPropertiesExplorationExpenseAbstract" id="dc_MineralRightsAndPropertiesExplorationExpenseAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MineralRightsAndPropertiesDrillingAndOtherDirectlyRelatedCosts" id="dc_MineralRightsAndPropertiesDrillingAndOtherDirectlyRelatedCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="MineralRightsAndPropertiesExpenseForStudies" id="dc_MineralRightsAndPropertiesExpenseForStudies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="MineralRightsAndPropertiesLaborExpenses" id="dc_MineralRightsAndPropertiesLaborExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="MineralRightsAndPropertiesOtherExpenses" id="dc_MineralRightsAndPropertiesOtherExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="MineralRightsAndPropertiesExplorationExpense" id="dc_MineralRightsAndPropertiesExplorationExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AccruedLiabilityCurrent" id="dc_AccruedLiabilityCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PercentageOfOwnershipInterestInMineralProperties" id="dc_PercentageOfOwnershipInterestInMineralProperties" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization" id="dc_OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="MaximumAggregateOfferingPriceSharesIssuable" id="dc_MaximumAggregateOfferingPriceSharesIssuable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ExpirationAxis" id="dc_ExpirationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ExpirationDomain" id="dc_ExpirationDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AtMarketProgramMember" id="dc_AtMarketProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DeferredAtMarketOfferingCostsOffsetAgainstAdditionalPaidInCapital" id="dc_DeferredAtMarketOfferingCostsOffsetAgainstAdditionalPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PaymentsToAcquireMineralPropertiesAndRights" id="dc_PaymentsToAcquireMineralPropertiesAndRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PublicOfferingMember" id="dc_PublicOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IssuanceOfCommonStockForAccruedBonusesNetOfWithholdingTaxesPaid" id="dc_IssuanceOfCommonStockForAccruedBonusesNetOfWithholdingTaxesPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PresentValueOfCashPayment" id="dc_PresentValueOfCashPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AggregateGrossProceedsExemptRaised" id="dc_AggregateGrossProceedsExemptRaised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ProceedsSubjectToMatchingRights" id="dc_ProceedsSubjectToMatchingRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DakotaTerritoryResourceCorpMember" id="dc_DakotaTerritoryResourceCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfUnpatentedClaims" id="dc_NumberOfUnpatentedClaims" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="RemainingAggregateAmountExemptedFromMatchingRight" id="dc_RemainingAggregateAmountExemptedFromMatchingRight" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationDeductionShareBasedPaymentArrangementAmount" id="dc_EffectiveIncomeTaxRateReconciliationDeductionShareBasedPaymentArrangementAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ClassOfWarrantOrRightNumberOfWarrantsExpired" id="dc_ClassOfWarrantOrRightNumberOfWarrantsExpired" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsIncludingOptionsGrantsInPeriod" id="dc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsIncludingOptionsGrantsInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StockIssuedDuringPeriodValueAccruedCompensation" id="dc_StockIssuedDuringPeriodValueAccruedCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodSharesAccruedBonuses" id="dc_StockIssuedDuringPeriodSharesAccruedBonuses" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FirstTradingArrangementMember" id="dc_FirstTradingArrangementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SecondTradingArrangementMember" id="dc_SecondTradingArrangementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="JenniferGraftonMember" id="dc_JenniferGraftonMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LeaseLiabilityToBePaidFiscalYearMaturityAbstract" id="dc_LeaseLiabilityToBePaidFiscalYearMaturityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LesseeLeaseLiabilityToBePaidRemainderOfFiscalYear" id="dc_LesseeLeaseLiabilityToBePaidRemainderOfFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LesseeLeaseLiabilityToBePaidYearOne" id="dc_LesseeLeaseLiabilityToBePaidYearOne" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LesseeLeaseLiabilityToBePaidYearTwo" id="dc_LesseeLeaseLiabilityToBePaidYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LesseeLeaseLiabilityToBePaidYearThree" id="dc_LesseeLeaseLiabilityToBePaidYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LesseeLeaseLiabilityToBePaidYearFour" id="dc_LesseeLeaseLiabilityToBePaidYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LesseeLeaseLiabilityToBePaid" id="dc_LesseeLeaseLiabilityToBePaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LesseeLeaseLiabilityUndiscountedExcessAmount" id="dc_LesseeLeaseLiabilityUndiscountedExcessAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LeaseLiability" id="dc_LeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LesseeFinanceLeaseOptionToPurchaseGrossValue" id="dc_LesseeFinanceLeaseOptionToPurchaseGrossValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LesseeFinanceLeaseOptionToPurchaseNetValue" id="dc_LesseeFinanceLeaseOptionToPurchaseNetValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PropertyPlantAndEquipmentAndOperatingAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization" id="dc_PropertyPlantAndEquipmentAndOperatingAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PropertyPlantAndEquipmentAndOperatingAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization" id="dc_PropertyPlantAndEquipmentAndOperatingAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PropertyPlantAndEquipmentAndOperatingAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization" id="dc_PropertyPlantAndEquipmentAndOperatingAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PublicOfferingAndOverAllotmentOptionMember" id="dc_PublicOfferingAndOverAllotmentOptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
