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        <Depreciation>3916834</Depreciation>
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        <BookValue>1545232</BookValue>
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        <Amount>423175</Amount>
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      <TotalAdjustments>620982</TotalAdjustments>
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        <ReturnReference>PART III, LINE 1A:</ReturnReference>
        <Explanation>CONSISTENT WITH PREDOMINANT INDUSTRY PRACTICE, THE SOCIETY'S CONTRIBUTED COLLECTIONS ARE NOT CAPITALIZED. COLLECTIONS CONSIST OF OVER 600,000 ARTIFACTS AND SPECIMENS THAT HAVE BEEN FORMALLY ACCESSIONED UNDER THE SOCIETY'S COLLECTION MANAGEMENT POLICY. THE SOCIETY DOES NOT INSURE ITS COLLECTIONS AND EXHIBITS CONSISTENT WITH THE PRACTICE OF MANY MUSEUMS.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Explanation>PARTS XII AND XIII, LINE 2D. DIRECT EXPENSES OF SPECIAL EVENTS HAVE BEEN NETTED WITH REVENUES AS SHOWN ON SCHEDULE G, PART II.</Explanation>
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        <GrossRevenueEvent1>166780</GrossRevenueEvent1>
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        <OtherDirectExpensesEvent1>42830</OtherDirectExpensesEvent1>
        <NameOfEvent2>BEEROLOGY</NameOfEvent2>
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        <GrossRevenueEvent2>37776</GrossRevenueEvent2>
        <OtherDirectExpensesEvent2>7220</OtherDirectExpensesEvent2>
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        <GrossRevenueOtherEvents>24356</GrossRevenueOtherEvents>
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        <GrossReceiptsTotal>228912</GrossReceiptsTotal>
        <GrossRevenueTotalEvents>228912</GrossRevenueTotalEvents>
        <RentFacilityCostsTotalEvents>26714</RentFacilityCostsTotalEvents>
        <OtherDirectExpensesTotalEvents>55159</OtherDirectExpensesTotalEvents>
        <DirectExpenseSummaryEvents>81873</DirectExpenseSummaryEvents>
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    </IRS990ScheduleG>
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      <BoardOrCommitteeApproval>X</BoardOrCommitteeApproval>
      <SeverancePayment>0</SeverancePayment>
      <SupplementalNonqualRetirePlan>0</SupplementalNonqualRetirePlan>
      <EquityBasedCompArrangement>0</EquityBasedCompArrangement>
      <CompBasedOnRevenueOfFilingOrg>0</CompBasedOnRevenueOfFilingOrg>
      <CompBasedOnRevenueRelatedOrgs>0</CompBasedOnRevenueRelatedOrgs>
      <CompBasedNetEarningsFilingOrg>0</CompBasedNetEarningsFilingOrg>
      <CompBasedNetEarningsRelateOrgs>0</CompBasedNetEarningsRelateOrgs>
      <AnyNonFixedPayments>0</AnyNonFixedPayments>
      <InitialContractException>0</InitialContractException>
      <Form990ScheduleJPartII>
        <NamePerson>MARK MORTENSON</NamePerson>
        <BaseCompensationFilingOrg>160576</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
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        <DeferredCompFilingOrg>3948</DeferredCompFilingOrg>
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        <NontaxableBenefitsFilingOrg>4676</NontaxableBenefitsFilingOrg>
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        <TotalCompensationFilingOrg>169200</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>THE 990 IS REVIEWED AT THE BOARD MEETING BY THE AUDIT TASK FORCE. THEY ARE RESONSIBLE TO APPROVE THE 990 BEFORE IT IS FILED.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12</ReturnReference>
        <Explanation>EACH BOARD MEMBER IS REQUIRED TO SIGN AN ACKNOWLEDGMENT FORM.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>EACH EMPLOYEE REQUIRED TO SIGN AN ACKNOWLEDGMENT FORM</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>FINANCIAL INFORMATION AND OTHER GOVERNING DOCUMENTS ARE AVAILABLE UPON REQUEST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 5:</ReturnReference>
        <Explanation>NET UNREALIZED GAINS ON INVESTMENTS: 620,982.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART XII, LINE 2C</ReturnReference>
        <Explanation>THERE HAS BEEN NO CHANGES IN THE PROCESS FROM THE PRIOR YEAR.</Explanation>
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        <AddressUS>
          <AddressLine1>PO BOX 51</AddressLine1>
          <City>BUFFALO</City>
          <State>NY</State>
          <ZIPCode>14205</ZIPCode>
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        <PrimaryActivities>ENSURE TIFFT NATURE PRESERVE SURVIVES TODAY AND FOR FUTURE GENERATIONS</PrimaryActivities>
        <LegalDomicileState>NY</LegalDomicileState>
        <ExemptCodeSection>501(C)3</ExemptCodeSection>
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        <ControlledOrg>0</ControlledOrg>
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      <GiftGrantOrCapContrToOtherOrg>0</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>0</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>0</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>0</LoansOrGuaranteesFromOtherOrg>
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      <PurchaseOfAssetsFromOtherOrg>0</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>0</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>0</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>0</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>0</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>0</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>0</SharingOfFacilities>
      <SharingOfPaidEmployees>0</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>0</ReimbursementPaidToOtherOrg>
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      <OtherTransferToOtherOrg>0</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>0</OtherTransferFromOtherOrg>
    </IRS990ScheduleR>
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