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      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>25406</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>25406</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ADMISSION FEES</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>12971</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>12971</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>HISTORY &amp; ART EXHIBIT</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>1050</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1050</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>EDUCATIONAL REVENUE</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>19057</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>19057</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>LARGE EXHIBIT REVENUE</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>667423</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>667423</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>725907</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>15516</TotalRevenueColumnAmt>
        <ExclusionAmt>15516</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossRentsGrp>
        <RealAmt>13114</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>15301</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>-2187</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>-2187</TotalRevenueColumnAmt>
        <ExclusionAmt>-2187</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <FundraisingGrossIncomeAmt>19519</FundraisingGrossIncomeAmt>
      <ContriRptFundraisingEventAmt>55191</ContriRptFundraisingEventAmt>
      <FundraisingDirectExpensesAmt>41174</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>-21655</TotalRevenueColumnAmt>
        <ExclusionAmt>-21655</ExclusionAmt>
      </NetIncmFromFundraisingEvtGrp>
      <GrossSalesOfInventoryAmt>40678</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>11557</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>29121</TotalRevenueColumnAmt>
        <ExclusionAmt>29121</ExclusionAmt>
      </NetIncomeOrLossGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>1033885</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>725907</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>20795</ExclusionAmt>
      </TotalRevenueGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>97205</TotalAmt>
        <ProgramServicesAmt>68044</ProgramServicesAmt>
        <ManagementAndGeneralAmt>14581</ManagementAndGeneralAmt>
        <FundraisingAmt>14580</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>195514</TotalAmt>
        <ProgramServicesAmt>136860</ProgramServicesAmt>
        <ManagementAndGeneralAmt>29327</ManagementAndGeneralAmt>
        <FundraisingAmt>29327</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>13882</TotalAmt>
        <ProgramServicesAmt>9718</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2082</ManagementAndGeneralAmt>
        <FundraisingAmt>2082</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>27288</TotalAmt>
        <ProgramServicesAmt>19102</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4093</ManagementAndGeneralAmt>
        <FundraisingAmt>4093</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>32416</TotalAmt>
        <ProgramServicesAmt>22691</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4862</ManagementAndGeneralAmt>
        <FundraisingAmt>4863</FundraisingAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>455</TotalAmt>
        <ManagementAndGeneralAmt>455</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>1412</TotalAmt>
        <ProgramServicesAmt>989</ProgramServicesAmt>
        <ManagementAndGeneralAmt>212</ManagementAndGeneralAmt>
        <FundraisingAmt>211</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>14394</TotalAmt>
        <ProgramServicesAmt>11515</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2159</ManagementAndGeneralAmt>
        <FundraisingAmt>720</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>9405</TotalAmt>
        <ProgramServicesAmt>7524</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1881</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>26640</TotalAmt>
        <ProgramServicesAmt>19980</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3996</ManagementAndGeneralAmt>
        <FundraisingAmt>2664</FundraisingAmt>
      </InformationTechnologyGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>173466</TotalAmt>
        <ProgramServicesAmt>138773</ProgramServicesAmt>
        <ManagementAndGeneralAmt>26020</ManagementAndGeneralAmt>
        <FundraisingAmt>8673</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>26619</TotalAmt>
        <ProgramServicesAmt>21295</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3993</ManagementAndGeneralAmt>
        <FundraisingAmt>1331</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>FACILITY</Desc>
        <TotalAmt>61343</TotalAmt>
        <ProgramServicesAmt>49075</ProgramServicesAmt>
        <ManagementAndGeneralAmt>9201</ManagementAndGeneralAmt>
        <FundraisingAmt>3067</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>PROGRAMS</Desc>
        <TotalAmt>12054</TotalAmt>
        <ProgramServicesAmt>9643</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2411</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>RESTORATION &amp; MAINTENANCE</Desc>
        <TotalAmt>30430</TotalAmt>
        <ProgramServicesAmt>30430</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>ADMINISTRATION</Desc>
        <TotalAmt>8724</TotalAmt>
        <ProgramServicesAmt>6979</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1309</ManagementAndGeneralAmt>
        <FundraisingAmt>436</FundraisingAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>1162</TotalAmt>
        <ProgramServicesAmt>1162</ProgramServicesAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>732409</TotalAmt>
        <ProgramServicesAmt>553780</ProgramServicesAmt>
        <ManagementAndGeneralAmt>106582</ManagementAndGeneralAmt>
        <FundraisingAmt>72047</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>104310</BOYAmt>
        <EOYAmt>90283</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>559923</BOYAmt>
        <EOYAmt>198847</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>1066</BOYAmt>
        <EOYAmt>46231</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>28623</BOYAmt>
        <EOYAmt>42053</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <LandBldgEquipCostOrOtherBssAmt>9485063</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>2219627</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>6837865</BOYAmt>
        <EOYAmt>7265436</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>302115</BOYAmt>
        <EOYAmt>367080</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>48721</BOYAmt>
        <EOYAmt>51739</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>7882623</BOYAmt>
        <EOYAmt>8061669</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>316274</BOYAmt>
        <EOYAmt>77721</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>102350</BOYAmt>
        <EOYAmt>154311</EOYAmt>
      </DeferredRevenueGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>3589</BOYAmt>
        <EOYAmt>991</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>422213</BOYAmt>
        <EOYAmt>233023</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>7117977</BOYAmt>
        <EOYAmt>7400475</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>342433</BOYAmt>
        <EOYAmt>428171</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>7460410</BOYAmt>
        <EOYAmt>7828646</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>7882623</BOYAmt>
        <EOYAmt>8061669</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>301476</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>85917</NetUnrlzdGainsLossesInvstAmt>
      <DonatedServicesAndUseFcltsAmt>6690</DonatedServicesAndUseFcltsAmt>
      <PriorPeriodAdjustmentsAmt>-25847</PriorPeriodAdjustmentsAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="990A">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>446560</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>640459</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>389651</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>337305</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>334292</CurrentTaxYearAmt>
        <TotalAmt>2148267</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>446560</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>640459</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>389651</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>337305</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>334292</CurrentTaxYearAmt>
        <TotalAmt>2148267</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>1810860</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>337407</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>4542</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>6874</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>8156</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>47634</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>15516</CurrentTaxYearAmt>
        <TotalAmt>82722</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <TotalSupportAmt>2230989</TotalSupportAmt>
      <PublicSupportCY170Pct>0.15120</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.45410</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsPY170Ind>X</ThirtyThrPctSuprtTestsPY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="990B">
      <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="990D">
      <PreservationPublicUseInd>X</PreservationPublicUseInd>
      <ProtectionNaturalHabitatInd>X</ProtectionNaturalHabitatInd>
      <PreservationOpenSpaceInd>X</PreservationOpenSpaceInd>
      <TotalEasementsCnt>1</TotalEasementsCnt>
      <TotalAcreageCnt>0.40</TotalAcreageCnt>
      <StatesEasementsHeldCnt>1</StatesEasementsHeldCnt>
      <WrittenPolicyMonitoringInd>false</WrittenPolicyMonitoringInd>
      <CollectionUsedPubExhibitionInd>X</CollectionUsedPubExhibitionInd>
      <CollUsedScholarlyRsrchInd>X</CollUsedScholarlyRsrchInd>
      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>311244</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>92607</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>403851</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>321053</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>-9809</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>311244</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>350467</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>-29414</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>321053</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>271931</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>78536</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>350467</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>233673</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>38258</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>271931</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <EndowmentsHeldUnrelatedOrgInd>false</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>false</EndowmentsHeldRelatedOrgInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>2117184</OtherCostOrOtherBasisAmt>
        <BookValueAmt>2117184</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>7354986</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>2206689</DepreciationAmt>
        <BookValueAmt>5148297</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>12893</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>12938</DepreciationAmt>
        <BookValueAmt>-45</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>7265436</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>EXCISE TAX PAYABLE</Desc>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>PAYROLL TAX PAYABLE</Desc>
        <Amt>991</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>991</TotalLiabilityAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="990G">
      <FundraisingEventInformationGrp>
        <Event1Nm>HISTORYROCKS</Event1Nm>
        <GrossReceiptsEvent1Amt>74709</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>55191</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>19518</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>41174</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>74709</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>55191</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>19518</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>41174</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>41174</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-21656</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="990O">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Members or stockholder classes and rights Part VI line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS MEMBERS WHO PAY FOR ANNUAL MEMBERSHIPS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Member election for additional members Part VI line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OF THE SOCIETY ARE SENT BALLOTS DURING EACH ELECTION TO VOTE ON BOARD MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing body decisions Part VI line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OF THE SOCIETY ARE SENT BALLOTS DURING EACH ELECTION TO VOTE ON BOARD MEMBERS, PROVIDING APPROVAL OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 governing body review Part VI line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS PROVIDED TO THE FINANCE COMMITTEE TO REVIEW BEFORE FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Conflict of interest policy compliance Part VI line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY WILL MONITOR AND ENFORCE THE CONFLICT OF INTEREST POLICY ANNUALLY AS A CONFLICT ARISES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>CEO executive director top management comp Part VI line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTORS COMPENSATION IS DETERMINED BY THE BOARD OF DIRECTORS THROUGH AN ANNUAL PERFORMANCE REVIEW AND MARKET STUDY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing documents etc available to public Part VI line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>General explanation attachment</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART III, LINE 1. DESCRIPTION OF ORGANIZATION MISSION: THE SOCIETY DOES THIS BY COLLECTING, PRESERVING AND SHARING THE AREAS HISTORY. THE HERITAGE CAPITAL GRANT AMOUNTS PROVIDED IN 2020 AND 2021 STIPULATE THAT THE CAPITAL ASSETS FUNDED BY THE GRANTS MUST BE AVAILABLE FOR PUBLIC VIEWING FOR AT LEAST 13 YEARS AFTER THE DATE OF THE GRANT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>