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      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
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      <TotalContributionsAmt>4554163</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>ADMISSIONS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>56128</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>56128</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>24900</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>24900</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>MISCELLANEOUS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>19676</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>19676</RelatedOrExemptFuncIncomeAmt>
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      <TotalProgramServiceRevenueAmt>100704</TotalProgramServiceRevenueAmt>
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        <ExclusionAmt>20952</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossRentsGrp>
        <RealAmt>134659</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>0</RealAmt>
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      </RentalIncomeOrLossGrp>
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        <TotalRevenueColumnAmt>134659</TotalRevenueColumnAmt>
        <ExclusionAmt>134659</ExclusionAmt>
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      <FundraisingDirectExpensesAmt>96853</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
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        <ExclusionAmt>473770</ExclusionAmt>
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      <GrossSalesOfInventoryAmt>122840</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>138477</CostOfGoodsSoldAmt>
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        <TotalRevenueColumnAmt>-15637</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>-15637</RelatedOrExemptFuncIncomeAmt>
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        <FundraisingAmt>9992</FundraisingAmt>
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        <Desc>CONTRACT LABOR</Desc>
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        <FundraisingAmt>9376</FundraisingAmt>
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        <ProgramServicesAmt>54069</ProgramServicesAmt>
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        <FundraisingAmt>9011</FundraisingAmt>
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        <FundraisingAmt>362</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>EQUIPMENT RENTAL</Desc>
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        <FundraisingAmt>4052</FundraisingAmt>
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      <AllOtherExpensesGrp>
        <TotalAmt>29774</TotalAmt>
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        <ManagementAndGeneralAmt>3722</ManagementAndGeneralAmt>
        <FundraisingAmt>3722</FundraisingAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>1532797</TotalAmt>
        <ProgramServicesAmt>1007805</ProgramServicesAmt>
        <ManagementAndGeneralAmt>357786</ManagementAndGeneralAmt>
        <FundraisingAmt>167206</FundraisingAmt>
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      <CashNonInterestBearingGrp>
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        <EOYAmt>1132117</EOYAmt>
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        <EOYAmt>43207</EOYAmt>
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        <EOYAmt>1150</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>4770968</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>738441</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>535484</BOYAmt>
        <EOYAmt>4032527</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
        <BOYAmt>320304</BOYAmt>
        <EOYAmt>347978</EOYAmt>
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        <BOYAmt>496186</BOYAmt>
        <EOYAmt>648521</EOYAmt>
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      <TotalAssetsGrp>
        <BOYAmt>1516329</BOYAmt>
        <EOYAmt>6205500</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>85884</BOYAmt>
        <EOYAmt>1788460</EOYAmt>
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      <DeferredRevenueGrp>
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        <EOYAmt>6544</EOYAmt>
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      <UnsecuredNotesLoansPayableGrp>
        <BOYAmt>43245</BOYAmt>
        <EOYAmt>67436</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>145869</BOYAmt>
        <EOYAmt>1862440</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>852711</BOYAmt>
        <EOYAmt>1928870</EOYAmt>
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      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>517749</BOYAmt>
        <EOYAmt>2414190</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>1370460</BOYAmt>
        <EOYAmt>4343060</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>1516329</BOYAmt>
        <EOYAmt>6205500</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>3735814</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>28323</NetUnrlzdGainsLossesInvstAmt>
      <DonatedServicesAndUseFcltsAmt>-791536</DonatedServicesAndUseFcltsAmt>
      <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>136657</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>134942</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>640549</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1375109</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>4554163</CurrentTaxYearAmt>
        <TotalAmt>6841420</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>132435</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>39099</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearAmt>147740</CurrentTaxYearAmt>
        <TotalAmt>319274</TotalAmt>
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      <GovtFurnSrvcFcltsVl509Grp>
        <CurrentTaxYearMinus4YearsAmt>411728</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>358055</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>383845</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>355052</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>345790</CurrentTaxYearAmt>
        <TotalAmt>1854470</TotalAmt>
      </GovtFurnSrvcFcltsVl509Grp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>680820</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>532096</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1024394</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1730161</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5047693</CurrentTaxYearAmt>
        <TotalAmt>9015164</TotalAmt>
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      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
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      <SubstAndDsqlfyPrsnsTotGrp>
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      <PublicSupportTotal509Amt>9015164</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>2874</CurrentTaxYearMinus4YearsAmt>
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        <CurrentTaxYearMinus1YearAmt>1196</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1188</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus3YearsAmt>358256</CurrentTaxYearMinus3YearsAmt>
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      </OtherIncome509Grp>
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        <CurrentTaxYearMinus3YearsAmt>893810</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1025348</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1731357</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5048881</CurrentTaxYearAmt>
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      <PublicSupportCY509Pct>0.93410</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.86310</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00100</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00400</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <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>
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    <IRS990ScheduleD documentId="RetDoc1040000001">
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      <SolicitedAssetsSaleInd>0</SolicitedAssetsSaleInd>
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>312011</BeginningYearBalanceAmt>
        <EndYearBalanceAmt>312011</EndYearBalanceAmt>
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        <EndYearBalanceAmt>312011</EndYearBalanceAmt>
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        <BeginningYearBalanceAmt>312011</BeginningYearBalanceAmt>
        <EndYearBalanceAmt>312011</EndYearBalanceAmt>
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      <CYMinus3YrEndwmtFundGrp>
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        <InvestmentEarningsOrLossesAmt>8366</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>312011</EndYearBalanceAmt>
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        <InvestmentEarningsOrLossesAmt>32525</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>303645</EndYearBalanceAmt>
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      <EndowmentsHeldUnrelatedOrgInd>0</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LeaseholdImprovementsGrp>
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        <BookValueAmt>60951</BookValueAmt>
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      <EquipmentGrp>
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      <OtherLandBuildingsGrp>
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        <BookValueAmt>3880366</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>4032527</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>PLEDGES RECEIVABLE</Desc>
        <BookValueAmt>647371</BookValueAmt>
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      <OtherAssetsOrgGrp>
        <Desc>RENT DEPOSITS</Desc>
        <BookValueAmt>1150</BookValueAmt>
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      <NetUnrealizedGainsInvstAmt>28323</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>345790</DonatedServicesAndUseFcltsAmt>
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      <RevenueNotReportedAmt>502531</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>5268446</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>165</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>165</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>5268611</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>2798377</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>1137326</DonatedServicesUseFcltsAmt>
      <OtherExpensesIncludedAmt>128418</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>1265744</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>1532633</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>165</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>165</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>1532798</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECT FUNDRAISING EXPENSES NETTED ON FORM 990 YEAR TO YEAR INVENTORY CHANGE</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECT FUNDRAISING EXPENSES NETTED ON FORM 990 YEAR TO YEAR INVENTORY CHANGE</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM'S COLLECTIONS, WHICH WERE ACQUIRED THROUGH PURCHASE AND CONTRIBUTIONS SINCE THE ORGANIZATION'S INCEPTION, ARE NOT RECOGNIZED AS ASSETS ON THE STATEMENT OF FINANCIAL POSITION. PURCHASE OF COLLECTION ITEMS ARE RECORDED IN THE YEAR IN WHICH THE ITEMS ARE ACQUIRED AS DECREASES IN UNRESTRICTED, TEMPORARILY OR PERMANENTLY RESTRICTED NET ASSETS DEPENDING ON WHETHER OR NOT THE ASSETS USED TO PURCHASE THE ITEMS WERE RESTRICTED BY THE DONORS. CONTRIBUTED COLLECTION ITEMS ARE NOT REFLECTED IN THE FINANCIAL STATEMENTS. PROCEEDS FROM DEACCESSION OR INSURANCE RECOVERIES ARE REFLECTED AS INCREASES IN THE APPROPRIATED NET ASSET CLASSES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM'S COLLECTIONS ARE MADE UP OF ARTIFACTS OF HISTORICAL SIGNIFICANCE, SCIENTIFIC SPECIMENS, AND ART OBJECTS THAT ARE HELD FOR EDUCATIONAL, SCIENTIFIC, AND CURATORIAL PURPOSES. EACH OF THESE ITEMS ARE CATALOGUED, PRESERVED, AND CARED FOR, AND ACTIVITIES VERIFYING THEIR EXISTENCE AND ASSESSING THEIR CONDITION ARE PERFORMED. THE COLLECTIONS ARE SUJECT TO A POLICY THAT REQUIRES PROCEEDS FROM THEIR SALES TO BE USED TO ACQUIRE OTHER ITEMS FOR COLLECTIONS. INDIVIDUALS AND ORGANIZATIONS, INCLUDING THE CITY OF JOLIET, ALSO LEND MANY HISTORICAL TREASURERS TO THE MUSEUM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ENDOWMENT FUNDS ARE TO BE USED FOR PUBLIC ACCESS PROGRAMS OF LOCAL HISTORICAL, INTEREST, ACQUISITION OF ARTIFACTS AND COLLECTIONS, EDUCATION AND PROGRAMS AND GENERAL MUSEUM OPERATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X,, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION IS A NONPROFIT CORPORATION AS DESCRIBED IN SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE (IRC) AND IS EXEMPT FROM FEDERAL AND STATE INCOME TAXES ON RELATED INCOME PURSUANT TO SECTION 501(A) OF THE CODE AS OTHER THAN A PRIVATE FOUNDATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>VARIOUS EVENTS</Event1Nm>
        <GrossReceiptsEvent1Amt>570623</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>570623</GrossRevenueEvent1Amt>
        <FoodAndBeverageEvent1Amt>96853</FoodAndBeverageEvent1Amt>
        <GrossReceiptsTotalAmt>570623</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>570623</GrossRevenueTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>96853</FoodAndBeverageTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>96853</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>473770</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM HAS MEMBERS. EACH MEMBER OF THE MUSEUM SHALL BE ENTITLED TO ONE VOTE AT THE ANNUAL MEETING OF THE MUSEUM AND AT OTHER MEETINGS OF THE MEMBERSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUAL MEETINGS AND THE BOARD OF DIRECTORS SLATE DECISIONS ARE RESERVED TO MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD OF DIRECTORS REVIEWS THE FORM 990 AT A MEETING BEFORE FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY THE BOARD REVIEWS THE "CONFLICT OF INTEREST POLICY AND EACH BOARD MEMBER STATES IN WRITING ANY CONFLICT OF INTEREST. IF A CONFLICT OCCURS DURING THE YEAR, THE BOARD MEMBER IN CONFLICT IS RESPONSIBLE FOR STATING THE CONFLICT AT A BOARD OR COMMITTEE MEETING AND THE BOARD MEMBER DOES NOT PARTICIPATE IN THE DISCUSSION OF VOTE ON THE ISSUE. THIS IS DOCUMENTED IN THE BOARD MINUTES. BEFORE DISBURSEMENTS ARE MADE THE BACK UP INFORMATION IS REVIEWED FOR ACCURACY AND ANY "CONFLICT OF INTEREST" BY AN OFFICER OF THE MUSEUM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>IT IS THE POLICY OF THE MUSEUM TO PAY NO MORE THAN REASONABLE COMPENSATION FOR PERSONAL SERVICES RENDERED TO THE MUSEUM. THE AMOUNT HAS TO BE REASONABLE IN LIGHT OF THE POSITION, RESPONSIBILITY AND QUALIFICATION OF THE POSITION HELD AND COMPARABLE TO THE COMPENSATION PAID BY OTHER ORGANIZATIONS FOR A SIMILAR POSITION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>NO OTHER DOCUMENTS AVAILABLE TO THE PUBLIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>ORGANIZATION HAS FINANCE COMMITTEE TO REVIEW FINANCIAL INFORMATION AND AUDIT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>