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        <EOYAmt>4144474</EOYAmt>
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      <TotalAssetsGrp>
        <BOYAmt>4644005</BOYAmt>
        <EOYAmt>4467847</EOYAmt>
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      <OtherLiabilitiesGrp>
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        <EOYAmt>154089</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>133498</BOYAmt>
        <EOYAmt>154089</EOYAmt>
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      <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
      <RtnEarnEndowmentIncmOthFndsGrp>
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        <EOYAmt>4313758</EOYAmt>
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        <BOYAmt>4510507</BOYAmt>
        <EOYAmt>4313758</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>4644005</BOYAmt>
        <EOYAmt>4467847</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>-2394</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>-194355</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingOtherInd methodOfAccountingOtherDesc="Partial Accrual">X</MethodOfAccountingOtherInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleA documentId="IRS990ScheduleA" softwareId="24020490" softwareVersionNum="2024v5.2">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>39744</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>19510</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>23729</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>112379</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>39295</CurrentTaxYearAmt>
        <TotalAmt>234657</TotalAmt>
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      <GovtFurnSrvcFcltsVl170Grp>
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        <CurrentTaxYearMinus3YearsAmt>19510</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>23729</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>112379</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>39295</CurrentTaxYearAmt>
        <TotalAmt>234657</TotalAmt>
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      <SubstantialContributorsTotAmt>0</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>234657</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>13</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>21</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>22</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>24</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>36</CurrentTaxYearAmt>
        <TotalAmt>116</TotalAmt>
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      <UnrelatedBusinessNetIncm170Grp>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Rosebrook Funds</Desc>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Sherman Fund</Desc>
        <Amt>33478</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>So Cal Watershed</Desc>
        <Amt>35000</Amt>
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        <Desc>Village H Funds</Desc>
        <Amt>1037</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Water Quality</Desc>
        <Amt>9916</Amt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>No documents available to the public.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, Line 9</FormAndLineReferenceDesc>
        <ExplanationTxt>FUNDS TO SD FOUNDATION = -$194355</ExplanationTxt>
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</Return>