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        <CurrentTaxYearMinus3YearsAmt>210196</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>350912</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>337202</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1287824</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus1YearAmt>337202</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1287824</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus3YearsAmt>2600</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>12578</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>8034</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5060</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus4YearsAmt>7844</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2600</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>12578</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>8034</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5060</CurrentTaxYearAmt>
        <TotalAmt>36116</TotalAmt>
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      <PublicSupportTotal509Amt>2361176</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>3046</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1042</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>130</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4918</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>57492</CurrentTaxYearAmt>
        <TotalAmt>66628</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>3046</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1042</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>130</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4918</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>57492</CurrentTaxYearAmt>
        <TotalAmt>66628</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>214204</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>211238</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>351042</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>342120</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1345316</CurrentTaxYearAmt>
        <TotalAmt>2463920</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.95830</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.95960</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.03000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00757</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="IRS990ScheduleB-161-Copy1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="IRS990ScheduleD-164-Copy1">
      <PreservationPublicUseInd>X</PreservationPublicUseInd>
      <ProtectionNaturalHabitatInd>X</ProtectionNaturalHabitatInd>
      <PreservationOpenSpaceInd>X</PreservationOpenSpaceInd>
      <TotalEasementsCnt>20</TotalEasementsCnt>
      <TotalAcreageCnt>3664.60</TotalAcreageCnt>
      <StatesEasementsHeldCnt>1</StatesEasementsHeldCnt>
      <WrittenPolicyMonitoringInd>true</WrittenPolicyMonitoringInd>
      <StaffHoursSpentEnforcementCnt>200.00</StaffHoursSpentEnforcementCnt>
      <ExpensesIncurredEnforcementAmt>5000</ExpensesIncurredEnforcementAmt>
      <Section170hRqrStsfdInd>true</Section170hRqrStsfdInd>
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>348780</BeginningYearBalanceAmt>
        <ContributionsAmt>794000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>43632</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>1186412</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>317465</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>31315</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>348780</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>320413</BeginningYearBalanceAmt>
        <ContributionsAmt>46135</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>-49083</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>317465</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>260422</BeginningYearBalanceAmt>
        <ContributionsAmt>5000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>54991</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>320413</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>210930</BeginningYearBalanceAmt>
        <ContributionsAmt>33911</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>15581</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>260422</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>1.00000</BoardDesignatedBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>false</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>false</EndowmentsHeldRelatedOrgInd>
      <RelatedOrgListSchRInd>false</RelatedOrgListSchRInd>
      <LandGrp>
        <InvestmentCostOrOtherBasisAmt>1133728</InvestmentCostOrOtherBasisAmt>
        <BookValueAmt>1133728</BookValueAmt>
      </LandGrp>
      <TotalBookValueLandBuildingsAmt>1133728</TotalBookValueLandBuildingsAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part II, Line 9-Description of easement reporting</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization has acquired and holds a number of conservation easements, eachrepresenting a legal interest in land owned by another person or entity. The easementsgrant the Organization the right to use, control, and/or protect the land for conservationpurposes. Because of the unique nature of these assets, the impracticality of obtainingconsistent and reliable estimates of the values ascribed to these interests, and consistentwith the practices followed by many environmental land trusts, the accompanyingfinancial statements include amounts for these property interests at $1 per easement.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part V, Line 4-Intended uses of endowment funds</FormAndLineReferenceDesc>
        <ExplanationTxt>Endowment funds are held and used for the stewardship and legal defense of conservation land</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleM documentId="IRS990ScheduleM-180-Copy1">
      <QualifiedContribOtherGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>1</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>financial review</MethodOfDeterminingRevenuesTxt>
      </QualifiedContribOtherGrp>
      <AnyPropertyThatMustBeHeldInd>false</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>true</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>false</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>P1, Col B</FormAndLineReferenceDesc>
        <ExplanationTxt>Per financial review</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="IRS990ScheduleO-183-Copy1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>The Interior Alaska Land Trust has members,</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>who elect the board of director</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Interior Alaska Land Trust has members,</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>who elect the board of director</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 was emailed to all Board members for approval</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 was approved at the regular May 2025 Board meeting</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Board reviews any potential conflicts of interest</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>during monthly board meetings</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI Line 15a or b</FormAndLineReferenceDesc>
        <ExplanationTxt>IALT has no employees and does not compensate its Board Members</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>All available upon request</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part IX Line 11g</FormAndLineReferenceDesc>
        <ExplanationTxt>Contract services Total expenses - $175313.00 Program service expenses - $168348.00 Mgmt and general expenses - $5815.00 Fundraising expenses - $1150.00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III Line 4d</FormAndLineReferenceDesc>
        <ExplanationTxt>Expenses: $3088.00 including grants of: $0.00 Revenue: $0.00</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III Line 4d</FormAndLineReferenceDesc>
        <ExplanationTxt>Insurance and other operating expenses</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>