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      <FundraisingDirectExpensesAmt>16080</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>110461</TotalRevenueColumnAmt>
        <ExclusionAmt>110461</ExclusionAmt>
      </NetIncmFromFundraisingEvtGrp>
      <GrossSalesOfInventoryAmt>34295</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>22513</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>11782</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>11782</RelatedOrExemptFuncIncomeAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>THIRD PARTY EVENTS</Desc>
        <BusinessCd>711300</BusinessCd>
        <TotalRevenueColumnAmt>14473</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>14473</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>2385</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2385</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>16858</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>732037</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>199246</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>110479</ExclusionAmt>
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      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>174372</TotalAmt>
        <ProgramServicesAmt>72569</ProgramServicesAmt>
        <ManagementAndGeneralAmt>44033</ManagementAndGeneralAmt>
        <FundraisingAmt>57770</FundraisingAmt>
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      <OtherSalariesAndWagesGrp>
        <TotalAmt>286783</TotalAmt>
        <ProgramServicesAmt>215326</ProgramServicesAmt>
        <ManagementAndGeneralAmt>42569</ManagementAndGeneralAmt>
        <FundraisingAmt>28888</FundraisingAmt>
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      <PensionPlanContributionsGrp>
        <TotalAmt>1340</TotalAmt>
        <ProgramServicesAmt>1340</ProgramServicesAmt>
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      <OtherEmployeeBenefitsGrp>
        <TotalAmt>62190</TotalAmt>
        <ProgramServicesAmt>43620</ProgramServicesAmt>
        <ManagementAndGeneralAmt>14856</ManagementAndGeneralAmt>
        <FundraisingAmt>3714</FundraisingAmt>
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      <PayrollTaxesGrp>
        <TotalAmt>35659</TotalAmt>
        <ProgramServicesAmt>19943</ProgramServicesAmt>
        <ManagementAndGeneralAmt>14986</ManagementAndGeneralAmt>
        <FundraisingAmt>730</FundraisingAmt>
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      <FeesForServicesLegalGrp>
        <TotalAmt>4344</TotalAmt>
        <ManagementAndGeneralAmt>4344</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>16750</TotalAmt>
        <ManagementAndGeneralAmt>16750</ManagementAndGeneralAmt>
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      <FeesForServicesOtherGrp>
        <TotalAmt>11338</TotalAmt>
        <ProgramServicesAmt>2006</ProgramServicesAmt>
        <ManagementAndGeneralAmt>9232</ManagementAndGeneralAmt>
        <FundraisingAmt>100</FundraisingAmt>
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      <AdvertisingGrp>
        <TotalAmt>13396</TotalAmt>
        <ProgramServicesAmt>13130</ProgramServicesAmt>
        <ManagementAndGeneralAmt>266</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>19227</TotalAmt>
        <ProgramServicesAmt>13613</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4990</ManagementAndGeneralAmt>
        <FundraisingAmt>624</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>6697</TotalAmt>
        <ProgramServicesAmt>512</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6185</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>134713</TotalAmt>
        <ProgramServicesAmt>105728</ProgramServicesAmt>
        <ManagementAndGeneralAmt>28985</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>5125</TotalAmt>
        <ProgramServicesAmt>4990</ProgramServicesAmt>
        <ManagementAndGeneralAmt>135</ManagementAndGeneralAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>1254</TotalAmt>
        <ProgramServicesAmt>1096</ProgramServicesAmt>
        <ManagementAndGeneralAmt>158</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>45619</TotalAmt>
        <ManagementAndGeneralAmt>45619</ManagementAndGeneralAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>377866</TotalAmt>
        <ProgramServicesAmt>61947</ProgramServicesAmt>
        <ManagementAndGeneralAmt>315919</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>20146</TotalAmt>
        <ProgramServicesAmt>154</ProgramServicesAmt>
        <ManagementAndGeneralAmt>19992</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>EXHIBIT STORAGE</Desc>
        <TotalAmt>112728</TotalAmt>
        <ProgramServicesAmt>112728</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>PURCHASED SOFTWARE</Desc>
        <TotalAmt>21615</TotalAmt>
        <ProgramServicesAmt>16</ProgramServicesAmt>
        <ManagementAndGeneralAmt>21599</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>EXHIBIT DESIGN</Desc>
        <TotalAmt>7450</TotalAmt>
        <ProgramServicesAmt>7450</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>CREDIT CARD PROCESSING</Desc>
        <TotalAmt>7198</TotalAmt>
        <ProgramServicesAmt>58</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7140</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>51744</TotalAmt>
        <ProgramServicesAmt>26311</ProgramServicesAmt>
        <ManagementAndGeneralAmt>24461</ManagementAndGeneralAmt>
        <FundraisingAmt>972</FundraisingAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>1417554</TotalAmt>
        <ProgramServicesAmt>702537</ProgramServicesAmt>
        <ManagementAndGeneralAmt>622219</ManagementAndGeneralAmt>
        <FundraisingAmt>92798</FundraisingAmt>
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      <CashNonInterestBearingGrp>
        <BOYAmt>7100</BOYAmt>
        <EOYAmt>2336</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>12967</BOYAmt>
        <EOYAmt>38614</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>46150</BOYAmt>
        <EOYAmt>350</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>174368</BOYAmt>
        <EOYAmt>28515</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>22720</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>11455791</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>611141</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>11232515</BOYAmt>
        <EOYAmt>10844650</EOYAmt>
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        <EOYAmt>5000</EOYAmt>
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      <TotalAssetsGrp>
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        <EOYAmt>10942185</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>122375</EOYAmt>
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      <UnsecuredNotesLoansPayableGrp>
        <BOYAmt>871393</BOYAmt>
        <EOYAmt>955000</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>954526</BOYAmt>
        <EOYAmt>1077375</EOYAmt>
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      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>10329809</BOYAmt>
        <EOYAmt>9849460</EOYAmt>
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      <TemporarilyRstrNetAssetsGrp>
        <BOYAmt>220518</BOYAmt>
        <EOYAmt>15350</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>10550327</BOYAmt>
        <EOYAmt>9864810</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>11504853</BOYAmt>
        <EOYAmt>10942185</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-685517</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>713373</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>606579</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3323576</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2271975</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>467004</CurrentTaxYearAmt>
        <TotalAmt>7382507</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus1YearAmt>62692</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>125914</CurrentTaxYearAmt>
        <TotalAmt>188606</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <GrossReceiptsNonUnrltBusGrp>
        <CurrentTaxYearMinus1YearAmt>11312</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>11782</CurrentTaxYearAmt>
        <TotalAmt>23094</TotalAmt>
      </GrossReceiptsNonUnrltBusGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>713373</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>606579</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3323576</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2345979</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>604700</CurrentTaxYearAmt>
        <TotalAmt>7594207</TotalAmt>
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      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>7594207</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>2516</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>3973</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3827</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>337</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>18</CurrentTaxYearAmt>
        <TotalAmt>10671</TotalAmt>
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      <InvestmentIncomeAndUBTIGrp>
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        <CurrentTaxYearMinus3YearsAmt>3973</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3827</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>337</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>18</CurrentTaxYearAmt>
        <TotalAmt>10671</TotalAmt>
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      <OtherIncome509Grp>
        <CurrentTaxYearMinus2YearsAmt>1335</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1463</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>16858</CurrentTaxYearAmt>
        <TotalAmt>19656</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>715889</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>610552</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3328738</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2347779</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>621576</CurrentTaxYearAmt>
        <TotalAmt>7624534</TotalAmt>
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      <PublicSupportCY509Pct>0.99600</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99780</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00140</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00190</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
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    <IRS990ScheduleB documentId="RetDoc1234500001" />
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <CollectionUsedPubExhibitionInd>X</CollectionUsedPubExhibitionInd>
      <CollUsedScholarlyRsrchInd>X</CollUsedScholarlyRsrchInd>
      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <SolicitedAssetsSaleInd>0</SolicitedAssetsSaleInd>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>9483370</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>343925</DepreciationAmt>
        <BookValueAmt>9139445</BookValueAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>102567</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>76925</DepreciationAmt>
        <BookValueAmt>25642</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>120758</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>66397</DepreciationAmt>
        <BookValueAmt>54361</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>1749096</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>123894</DepreciationAmt>
        <BookValueAmt>1625202</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>10844650</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>895932</TotalRevEtcAuditedFinclStmtAmt>
      <DonatedServicesAndUseFcltsAmt>147815</DonatedServicesAndUseFcltsAmt>
      <OtherRevenueAmt>16080</OtherRevenueAmt>
      <RevenueNotReportedAmt>163895</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>732037</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>732037</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>1581449</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>147815</DonatedServicesUseFcltsAmt>
      <OtherExpensesIncludedAmt>16080</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>163895</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>1417554</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>1417554</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COLLECTIONS, WHICH WERE ACQUIRED THROUGH PURCHASES AND CONTRIBUTIONS SINCE THE MUSEUM'S INCEPTION, ARE NOT RECOGNIZED AS ASSETS ON THE STATEMENTS OF FINANCIAL POSITION. PURCHASES OF COLLECTION ITEMS ARE RECORDED AS DECREASES IN UNRESTRICTED NET ASSETS IN THE YEAR IN WHICH THE ITEMS ARE ACQUIRED OR AS TEMPORARILY OR PERMANENTLY RESTRICTED NET ASSETS, IF THE ASSETS USED TO PURCHASE THE ITEMS ARE RESTRICTED BY DONORS. CONTRIBUTED COLLECTION ITEMS ARE NOT REFLECTED ON THE FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM'S COLLECTIONS ARE INTEGRAL TO ITS MISSION AND ARE CRITICAL TO SUPPORTING THE STORYLINE THROUGH EXHIBITS. THE COLLECTIONS CONSIST OF MACHINERY AND EQUIPMENT AND A LIBRARY OF ARCHIVAL MATERIALS. PART OF THIS COLLECTION IS OWNED AND SOME IS ON LOAN FROM THE SMITHSONIAN INSTITUTION AND OTHER SIMILAR ORGANIZATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>NO PROVISION FOR INCOME TAXES HAS BEEN MADE IN THE FINANCIAL STATEMNTS SINCE THE MUSEUM IS EXEMPT FROM FEDERAL AND STATE INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND SIMILAR STATE PROVISIONS. HOWEVER, INCOME FROM ACTIVITIES NOT DIRECTLY RELATED TO THE MUSEUM'S TAX-EXEMPT PURPOSE, IF ANY, WOULD BE SUBJECT TO TAXATION AS UNRELATED BUSINESS INCOME. THE MUSEUM COMPLIES WITH THE GUIDANCE IN FASB ASC 740, INCOME TAXES. THIS GUIDANCE PRESCRIBES A RECOGNITION THRESHOLD AND MEASUREMENT ATTRIBUTE FOR THE FINANCIAL STATEMENT RECOGNITION AND MEASUREMENT OF A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN. COMPLIANCE WITH FASB ASC 740, INCOME TAXES, DID NOT HAVE A MATERIAL IMPACT ON THE MUSEUM'S RESULTS OF OPERTAIONS AND FINANCIAL POSITION. AS OF DECEMBER 31, 2017 AND 2016, THE MUSEUM HAD NO UNCERTAIN TAX POSITIONS THAT QUALIFY FOR EITHER RECOGNITION OR DISCLOSURE IN THE FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECT FUNDRAISING EXPENSES 16,080.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECT FUNDRAISING EXPENSES 16,080.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>ANNUAL GALA</Event1Nm>
        <GrossReceiptsEvent1Amt>126541</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>126541</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>16080</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>126541</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>126541</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>16080</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>16080</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>110461</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleM documentId="RetDoc1042900001">
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        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>SUPPLIES</Desc>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>50</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>COST OR SELLING PRIC</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>0</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>A MEMBER OF THE ORGANIZATION'S BOARD OF DIRECTORS IS THE CHAIRMAN OF THE BOARD FOR A CONSTRUCTION MANAGEMENT FIRM THAT CONDUCTED BUSINESS WITH THE MUSEUM DURING THE YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>INFORMATION IS PROVIDED TO OUR INDEPENDENT ACCOUNTANTS WHO COMPILE THE FORM 990. THE FORM IS THEN REVIEWED BY MANAGEMENT. THE FORM IS THEN PRESENTED TO THE BOARD OF DIRECTORS FOR REVIEW AND COMMENT PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ON AN ANNUAL BASIS, THE ORGANIZATION PROVIDES THE BOARD MEMBERS WITH A COPY OF THE CONFLICT OF INTEREST POLICY. THE BOARD MEMBERS ARE REQUIRED TO REVIEW THE POLICY AND INDICATE ANY ACTIVITIES THAT MAY REPRESENT A CONFLICT OF INTEREST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION USES A COMPENSATION COMMITTEE, COMPENSATION SURVEY AND STUDY AND THEN APPROVAL BY THE COMPENSATION COMMITTEE AND THE BOARD TO DETERMINE COMPENSATION OF OFFICERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES AVAILABLE TO THE PUBLIC ALL OF THE GOVERNING DOCUMENTS SUCH AS THE FORM 1023 AND FORM 990. ALL ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES AVAILABLE TO THE PUBLIC ALL OF THE GOVERNING DOCUMENTS SUCH AS THE FORM 1023, FORM 990, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS. ALL DOCUMENTS ARE AVAILABLE FOR INSPECTION UPON REQUEST AT THE ORGANIZATION'S CORPORATE OFFICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART XII 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS AN AUDIT COMMITTEE THAT ASSUMES OVERSIGHT OVER THE INDEPENDENT AUDITOR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>