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        <BusinessCd>713990</BusinessCd>
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        <BusinessCd>713990</BusinessCd>
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        <ProgramServicesAmt>394495</ProgramServicesAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>73121</ProgramServicesAmt>
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      <OtherExpensesGrp>
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        <EOYAmt>136832</EOYAmt>
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        <EOYAmt>75000</EOYAmt>
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        <EOYAmt>11229</EOYAmt>
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        <EOYAmt>11116474</EOYAmt>
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        <EOYAmt>246615</EOYAmt>
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        <EOYAmt>35275</EOYAmt>
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        <EOYAmt>281890</EOYAmt>
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        <EOYAmt>9343300</EOYAmt>
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      <DonorRestrictionNetAssetsGrp>
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        <EOYAmt>10013905</EOYAmt>
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        <EOYAmt>19357205</EOYAmt>
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        <EOYAmt>19639095</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>259177</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>667175</NetUnrlzdGainsLossesInvstAmt>
      <PriorPeriodAdjustmentsAmt>50000</PriorPeriodAdjustmentsAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleA documentId="RetDoc1039100001">
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        <CurrentTaxYearMinus3YearsAmt>315892</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>936720</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>733855</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>652622</CurrentTaxYearAmt>
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      <TotalCalendarYear170Grp>
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        <CurrentTaxYearMinus3YearsAmt>315892</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>936720</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>733855</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>652622</CurrentTaxYearAmt>
        <TotalAmt>3292262</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>802405</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>2489857</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>116461</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>214590</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>189902</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>253311</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>461834</CurrentTaxYearAmt>
        <TotalAmt>1236098</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
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        <CurrentTaxYearMinus3YearsAmt>36927</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>35416</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>26285</CurrentTaxYearMinus1YearAmt>
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      <PublicSupportPY170Pct>0.50410</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
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        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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      <CollectionUsedPubExhibitionInd>X</CollectionUsedPubExhibitionInd>
      <CollUsedScholarlyRsrchInd>X</CollUsedScholarlyRsrchInd>
      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <CollUsedLoanOrExchProgInd>X</CollUsedLoanOrExchProgInd>
      <SolicitedAssetsSaleInd>0</SolicitedAssetsSaleInd>
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        <ContributionsAmt>305</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>653301</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>9414473</EndYearBalanceAmt>
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        <ContributionsAmt>10699</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>1380224</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>8760867</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
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        <InvestmentEarningsOrLossesAmt>859154</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>7369944</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
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        <InvestmentEarningsOrLossesAmt>-1987772</InvestmentEarningsOrLossesAmt>
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        <EndYearBalanceAmt>6510790</EndYearBalanceAmt>
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        <EndYearBalanceAmt>8824807</EndYearBalanceAmt>
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      <EndowmentsHeldUnrelatedOrgInd>0</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
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      <OtherAssetsOrgGrp>
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      <RevenueNotReportedFinclStmtAmt>52335</RevenueNotReportedFinclStmtAmt>
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      <TotExpnsEtcAuditedFinclStmtAmt>1303252</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>21003</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>21003</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>1282249</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>52335</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>52335</ExpensesNotRptFinclStmtAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>MUSEUM STORE OPERATING EXPENSES INCLUDED IN NET</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>MUSEUM STORE OPERATIONS INCLUDED IN NET</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BAY AREA ELECTRIC RAILROAD ASSOCIATION STRIVES TO DO THREE THINGS: COLLECT ITEMS OF HISTORIC OR OR CULTURAL VALUE, PRESERVE SAID ITEMS IN PERPETUITY FOR THE BENEFIT OF PRESENT FUTURE GENERATIONS, AND INTERPRET THEIR COLLECTION TO EDUCATE AND TEACH THE PUBLIC. THE ORGANIZATION USES ITS PERMANENTLY PRESERVED COLLECTION OF ELECTRIC RAILROAD ARTIFACTS (INCLUDING PHOTOS, MAPS, DOCUMENTS, FILMS, EPHEMERA, AND TRAINS THEMSELVES) TO INTERPRET THE ELECTRIC RAILROAD HERITAGE OF THE WESTERN UNITED STATES AND TO TEACH AND EDUCATE THE PUBLIC ABOUT HOW THE HISTORY OF THE REGION WAS AFFECTED BY THE RAILROADS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ENDOWMENT ASSETS ARE INTENDED TO PROVIDE CONSISTENT, PREDICTABLE CASH FLOWS TO ASSIST THE ORGANIZATION IN EFFECTIVELY DELIVERING ITS PROGRAMS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS TWO CLASSES OF MEMBERS: DUES-PAYING MEMBERS AT THE $50 LEVEL (INDIVIDUAL) AND HIGHER (FAMILY, SUSTAINING, CONTRIBUTING, PATRON AND BENEFACTOR LEVELS); THEY HAVE THE RIGHT TO VOTE IN THE ASSOCIATION'S ANNUAL ELECTION OF THE BOARD OF DIRECTORS. DUES-PAYING MEMBERS AT THE $25 LEVEL WHICH ARE JUNIOR AND SENIOR LEVELS, DO NOT RECEIVE VOTING PRIVILEGE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>DUES-PAYING MEMBERS AT THE $50 LEVEL AND HIGHER HAVE THE RIGHT TO VOTE IN THE ASSOCIATION'S ANNUAL ELECTION OF THE BOARD OF DIRECTORS. DUES-PAYING MEMBERS AT THE $25 LEVEL, WHICH ARE THE JUNIOR AND SENIOR LEVELS, DO NOT RECEIVE VOTING PRIVILEGE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED BY THE FINANCE COMMITTEE AND THEN PRESENTED TO THE BOARD FOR THEIR REVIEW AND ACCEPTANCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL DIRECTORS, OFFICERS, AND EMPLOYEES OF THE CORPORATION ARE COVERED BY THE POLICY. ANY CONFLICT WHICH MAY BE REPORTED IS EVALUATED FOR MATERIALITY, AND ANY RESTRICTIONS ARE DETERMINED BETWEEN THE INDIVIDUAL IN QUESTION AND THE BOARD CHAIR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>