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        <ManagementAndGeneralAmt>4211</ManagementAndGeneralAmt>
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        <FundraisingAmt>455</FundraisingAmt>
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        <ManagementAndGeneralAmt>3715</ManagementAndGeneralAmt>
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        <FundraisingAmt>576</FundraisingAmt>
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        <ManagementAndGeneralAmt>290</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>27396</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6426</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>8125</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1658</ManagementAndGeneralAmt>
        <FundraisingAmt>6860</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>OTHER SUPPLIES</Desc>
        <TotalAmt>10329</TotalAmt>
        <ProgramServicesAmt>10329</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>SMALL EQUIPMENT</Desc>
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        <ProgramServicesAmt>2206</ProgramServicesAmt>
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      <OtherExpensesGrp>
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        <FundraisingAmt>1374</FundraisingAmt>
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        <EOYAmt>798936</EOYAmt>
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        <EOYAmt>8585</EOYAmt>
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        <EOYAmt>1147</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>true</AccountantCompileOrReviewInd>
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      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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        <CurrentTaxYearMinus1YearAmt>11384</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3565</CurrentTaxYearAmt>
        <TotalAmt>29101</TotalAmt>
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      <PublicSupportCY170Pct>0.98490</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.98620</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART II, LINE 10</FormAndLineReferenceDesc>
        <ExplanationTxt>MISCELLANEOUS INCOME 0</ExplanationTxt>
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        <ContributorUSAddress>
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          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
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      <PreservationOpenSpaceInd>X</PreservationOpenSpaceInd>
      <TotalEasementsCnt>1</TotalEasementsCnt>
      <TotalAcreageCnt>40.00</TotalAcreageCnt>
      <StatesEasementsHeldCnt>1</StatesEasementsHeldCnt>
      <WrittenPolicyMonitoringInd>false</WrittenPolicyMonitoringInd>
      <StaffHoursSpentEnforcementCnt>20.00</StaffHoursSpentEnforcementCnt>
      <EndowmentsHeldUnrelatedOrgInd>false</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>true</EndowmentsHeldRelatedOrgInd>
      <RelatedOrgListSchRInd>false</RelatedOrgListSchRInd>
      <OtherLandBuildingsGrp>
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      <OtherAssetsOrgGrp>
        <Desc>RECEIVABLE DAHLEM ENDOWMENT</Desc>
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      <OtherAssetsOrgGrp>
        <Desc>PROMISES TO GIVE LAND/LEASE</Desc>
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        <Desc>BENEFICIAL INTEREST IN ASSETS</Desc>
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        <Desc>PAYROLL LIABILITIES</Desc>
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      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>1147</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>657553</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>657553</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>657553</TotalRevenuePerForm990Amt>
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      <ExpensesSubtotalAmt>467838</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>467838</TotalExpensesPerForm990Amt>
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        <GrossReceiptsTotalAmt>74756</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>74756</GrossRevenueTotalEventsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 1, PART I, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE DAHLEM CONSERVANCY DEPENDS ON VOLUNTEERS TO HELP PROVIDE ENVIRONMENTAL EDUCATION AND OUTDOOR EXPERIENCES. VOLUNTEERS ARE UTILIZIED TO ASSIST IN PRESENTING INDOOR/OUTDOOR ELEMENTARY SCHOOL PROGRAMS, ASSIST WITH SUMMER CAMPS, ASSIST WITH LIVE ANIMAL EXHIBITS, MAINTAINING HIKING TRAILS, AND TO REMOVE NON-NATIVE INVASIVE PLANTS WITH THE GOAL OF RESTORING NATIVE HABITATS TO THE DAHLEM'S NEARLY 300 ACRES. VOLUNTEERS ALSO PARTICIPATE ON SEVERAL COMMITTEES THAT ARE ESSENTIAL IN PLANNING AND GUIDING THE ORGANIZATION TO ESTABLISHED GOALS AND FOCUS AREAS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4D</FormAndLineReferenceDesc>
        <ExplanationTxt>TRANSFER TO SUPPORTING ORGANIZATION</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>COPY OF FORM 990 IS REVIEWED BY FINANCE COMMITTEE AND APPROVED PRIOR TO FILING RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUSTEES AND OFFICERS OF THE BOARD OF DIRECTORS ANNUALLY REVIEW AND SIGN THE DAHLEM CONFLICT OF INTEREST POLICY ADDENDUM (REV. JULY 2022).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION PROCESS FOR EXECUTIVE DIRECTOR - EXECUTIVE COMMITTEE OF BOARD OF DIRECTORS CONDUCTS AN ANNUAL REVIEW OF THE EXECUTIVE DIRECTOR'S COMPENSATION. THE FINAL APPROVAL IS OBTAINED FROM THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS ARE AVAILABLE UPON REQUEST AT THE DAHLEM CONSERVANCY'S OFFICE.</ExplanationTxt>
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          <StateAbbreviationCd>MI</StateAbbreviationCd>
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      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
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      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
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      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
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      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
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</Return>