<?xml version="1.0" encoding="utf-8"?>
<Return returnVersion="2023v5.0" xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-05-04T13:36:34-07:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Shannon LeDuc Tax Service &amp; Bookkeeping</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>PO BOX 1571</AddressLine1Txt>
        <CityNm>Mariposa</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>95338</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>946050425</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MARIPOSA MUSEUM &amp; HISTORY CENTER INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MARI</BusinessNameControlTxt>
      <PhoneNum>2099662924</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 606</AddressLine1Txt>
        <CityNm>Mariposa</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>95338</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>BILL LOWE</PersonNm>
      <PersonTitleTxt>OFFICER</PersonTitleTxt>
      <SignatureDt>2024-05-04</SignatureDt>
      <DiscussWithPaidPreparerInd>false</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>BILL LOWE</PersonFirstNm>
      </PersonFullName>
      <SSN>XXX-XX-XXXX</SSN>
    </SigningOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>Shannon LeDuc</PreparerPersonNm>
      <PTIN>P01876188</PTIN>
      <PhoneNum>2097427144</PhoneNum>
      <SelfEmployedInd>X</SelfEmployedInd>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ accountingPeriodChangeApprvCd="FORM 1128 WAS APPROVED" accountingPeriodChangeCd="CHANGE OF ACCOUNTING PERIOD" documentId="000000000000000000000000000001" referenceDocumentId="000000000000000000000000000003">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <Organization501c3Ind referenceDocumentId="000000000000000000000000000002">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>166496</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>36596</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>65832</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>7990</MembershipDuesAmt>
      <InvestmentIncomeAmt>8658</InvestmentIncomeAmt>
      <GainOrLossFromSaleOfAssetsAmt>0</GainOrLossFromSaleOfAssetsAmt>
      <GamingGrossIncomeAmt>0</GamingGrossIncomeAmt>
      <SpecialEventsNetIncomeLossAmt>0</SpecialEventsNetIncomeLossAmt>
      <GrossSalesOfInventoryAmt>47420</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>21193</CostOfGoodsSoldAmt>
      <GrossProfitLossSlsOfInvntryAmt>26227</GrossProfitLossSlsOfInvntryAmt>
      <TotalRevenueAmt>145303</TotalRevenueAmt>
      <SalariesOtherCompEmplBnftAmt>95123</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>450</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>28054</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>3883</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>33862</OtherExpensesTotalAmt>
      <TotalExpensesAmt>161372</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-16069</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>302998</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>286929</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>267298</BOYAmt>
        <EOYAmt>251681</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>15121</BOYAmt>
        <EOYAmt>15121</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>24097</BOYAmt>
        <EOYAmt>24809</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>306516</BOYAmt>
        <EOYAmt>291611</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>3518</BOYAmt>
        <EOYAmt>4682</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>302998</BOYAmt>
        <EOYAmt>286929</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>SEE SCHEDULE O</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>SEE SCHEDULE O</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>0</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JANET CHASE WILLIAMS</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LARRY RIGGS</PersonNm>
        <TitleTxt>2ND VICE PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BILL LOWE</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JOANNA RANSOM</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <OrganizationFiled990TInd>false</OrganizationFiled990TInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>BILL LOWE</PersonNm>
        <USAddress>
          <AddressLine1Txt>PO BOX 606</AddressLine1Txt>
          <CityNm>Mariposa</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>95338</ZIPCd>
        </USAddress>
        <PhoneNum>2099662924</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <Form720FiledInd>false</Form720FiledInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <RelatedOrgSect527OrgInd>false</RelatedOrgSect527OrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="000000000000000000000000000002">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <SupportSumAmt>0</SupportSumAmt>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>60644</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>50225</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>77064</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>37866</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>44586</CurrentTaxYearAmt>
        <TotalAmt>270385</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>67871</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>17844</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>41585</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>54445</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>65832</CurrentTaxYearAmt>
        <TotalAmt>247577</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>128515</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>68069</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>118649</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>92311</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>110418</CurrentTaxYearAmt>
        <TotalAmt>517962</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>517962</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>5508</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>8147</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>8147</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>8074</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>8658</CurrentTaxYearAmt>
        <TotalAmt>38534</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>5508</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>8147</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>8147</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>8074</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>8658</CurrentTaxYearAmt>
        <TotalAmt>38534</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>134023</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>76216</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>126796</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>100385</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>119076</CurrentTaxYearAmt>
        <TotalAmt>556496</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.93000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.91000</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.06920</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.06920</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
      <DistributableAmountGrp>
        <CYAdjNetIncomeDistributableAmt>0</CYAdjNetIncomeDistributableAmt>
        <CYPct85AdjustedNetIncomeAmt>0</CYPct85AdjustedNetIncomeAmt>
        <CYTotalMinAstDistributableAmt>0</CYTotalMinAstDistributableAmt>
        <CYGreaterAdjustedMinimumAmt>0</CYGreaterAdjustedMinimumAmt>
        <CYIncomeTaxImposedPYAmt>0</CYIncomeTaxImposedPYAmt>
        <CYDistributableAsAdjustedAmt>0</CYDistributableAsAdjustedAmt>
      </DistributableAmountGrp>
      <DistributionsGrp>
        <CYPaidAccomplishExemptPrpsAmt>0</CYPaidAccomplishExemptPrpsAmt>
        <CYPdInExcessIncomeActivityAmt>0</CYPdInExcessIncomeActivityAmt>
        <CYAdministrativeExpensePaidAmt>0</CYAdministrativeExpensePaidAmt>
        <ExemptUseAssetsAcquisPaidAmt>0</ExemptUseAssetsAcquisPaidAmt>
        <QualifiedSetAsideAmt>0</QualifiedSetAsideAmt>
        <CYOtherDistributionsAmt>0</CYOtherDistributionsAmt>
        <CYTotalAnnualDistributionsAmt>0</CYTotalAnnualDistributionsAmt>
        <CYDistriAttentiveSuprtOrgAmt>0</CYDistriAttentiveSuprtOrgAmt>
        <CYDistributableAsAdjustedAmt>0</CYDistributableAsAdjustedAmt>
        <CYDistributionYrRt>0</CYDistributionYrRt>
      </DistributionsGrp>
      <DistributionAllocationsGrp>
        <CYDistributableAsAdjustedAmt>0</CYDistributableAsAdjustedAmt>
        <UnderdistributionsAmt>0</UnderdistributionsAmt>
        <ExcessDistributionCyovYr5Amt>0</ExcessDistributionCyovYr5Amt>
        <ExcessDistributionCyovYr4Amt>0</ExcessDistributionCyovYr4Amt>
        <ExcessDistributionCyovYr3Amt>0</ExcessDistributionCyovYr3Amt>
        <ExcessDistributionCyovYr2Amt>0</ExcessDistributionCyovYr2Amt>
        <ExcessDistributionCyovYr1Amt>0</ExcessDistributionCyovYr1Amt>
        <TotalExcessDistributionCyovAmt>0</TotalExcessDistributionCyovAmt>
        <CyovAppliedUnderdistriPYAmt>0</CyovAppliedUnderdistriPYAmt>
        <CyovAppliedUnderdistrCPYAmt>0</CyovAppliedUnderdistrCPYAmt>
        <CarryoverPYNotAppliedAmt>0</CarryoverPYNotAppliedAmt>
        <ExcessDistributionCyovAmt>0</ExcessDistributionCyovAmt>
        <CYTotalAnnualDistributionsAmt>0</CYTotalAnnualDistributionsAmt>
        <CYDistribAppUnderdistriPYAmt>0</CYDistribAppUnderdistriPYAmt>
        <CYDistriAppDistributableAmt>0</CYDistriAppDistributableAmt>
        <ExcessDistributionAmt>0</ExcessDistributionAmt>
        <RemainingUnderdistriPYAmt>0</RemainingUnderdistriPYAmt>
        <RemainingUnderdistriCYAmt>0</RemainingUnderdistriCYAmt>
        <ExcessDistriCyovToNextYrAmt>0</ExcessDistriCyovToNextYrAmt>
        <ExcessFromYear5Amt>0</ExcessFromYear5Amt>
        <ExcessFromYear4Amt>0</ExcessFromYear4Amt>
        <ExcessFromYear3Amt>0</ExcessFromYear3Amt>
        <ExcessFromYear2Amt>0</ExcessFromYear2Amt>
        <ExcessFromYear1Amt>0</ExcessFromYear1Amt>
      </DistributionAllocationsGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="000000000000000000000000000003">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990EZ PART III ORGANIZATION PRIMARY EXEMPT PURPOSE</FormAndLineReferenceDesc>
        <ExplanationTxt>PRESERVATION AND EDUCATION OF THE HISTORY OF MARIPOSA COUNTY</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990EZ PART I LINE 25 OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>ADVERTISEMENT 1262 BANK FEES 1759 DOCENT 553 EXHIBITS 800 EVENTS 1043 INSURANCE 1781 MEMBERSHIP 229 MUSEUM SUPPLIES 258 SENTINEL NEWSLETTER 364 GOLDPANNNG EXP 704 GIFTS 29 WEBSITE 372 TAXES 156 COMPUTER EXP 1005 SCHOLARSHIPS 1000 INVESTMENT FEES 2128 QUICKBOOK FEES 876 PAYROLL TAXES 7718 WORKMANS COMP 3835 STORE SUPPLIES 3234 COPY MACHINE 4478 TOUR EXP 278 TOTAL 33862</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990EZ PART V REGARDING TRANSFERS ASSOCIATED WITH PERSONAL BENEFITS CONTRACTS</FormAndLineReferenceDesc>
        <ExplanationTxt>A/ DID THE ORGANIZATION DURING THE YEAR RECEIVE ANY FUNDS DIRECTLY OR INDIRECTLY TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT NO B/ DID THE ORGANZIATION DURING THE YEAR PAY PREMIUMS DIRECTLY OR INDIRECTLY ON A PERSONAL BENEFIT CONTRACT NO</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990EZ PART II LINE 26 TOTAL LIABILITIES</FormAndLineReferenceDesc>
        <ExplanationTxt>CREDIT CARD PAYABLE BEGINNING 1323 ENDING 2115 PAYROLL TAX PAYABLE BEGINNING 1539 ENDING 1482 SALES TAX PAYABLE BEGINNING 656 ENDING 761 ACCOUNTS PAYABLE BEGINNING 0 ENDING 324 TOTAL BEGINNING 3518 ENDING 4682</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990EZ PART II LINE 24 OTHER ASSETS</FormAndLineReferenceDesc>
        <ExplanationTxt>FURNITURE AND FIXTURES BEGINNING 10425 ENDING 10437 INVENTORIES BEGINNING 13653 ENDING 14372 TOTAL BEGINNING 24078 ENDING 24809</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990EZ PART III LINE 28 STATE OF PROGRAM SERVICE ACCOMPLISHMENT</FormAndLineReferenceDesc>
        <ExplanationTxt>FACILITY TOURS, MONTHLY HISTORY TALKS, RESCUE AND RECOVER OF ENDANGERED MINING EQUIPMENT, HISTORICAL CONSULTATION WITH COUNTY, STATE AND FEDERAL GOVERNMENT, PRESERVATION OF ACCESSIONED ITEMS OF HISTORICAL VALUE TO THE COUNTY OF MARIPOSA</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
