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      <JointCostsInd>X</JointCostsInd>
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      <ReconcilationRevenueExpnssAmt>1112855</ReconcilationRevenueExpnssAmt>
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      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
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        <CurrentTaxYearMinus3YearsAmt>3437670</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3160035</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2909510</CurrentTaxYearMinus1YearAmt>
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        <CurrentTaxYearAmt>389829</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus1YearAmt>3292335</CurrentTaxYearMinus1YearAmt>
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      <AmountsRcvdDsqlfyPersonGrp>
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        <CurrentTaxYearMinus3YearsAmt>30439</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>27739</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>35366</CurrentTaxYearMinus1YearAmt>
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      <SubstantialContributorsAmtGrp>
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        <CurrentTaxYearMinus2YearsAmt>194717</CurrentTaxYearMinus2YearsAmt>
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      <InvestmentIncomePYPct>0.07190</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
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    <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>
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        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ENDOWMENT PRINCIPAL ON THE RELATED INVESTMENT IS RESTRICTED FROM WITHDRAWAL. INVESTMENT AND INTEREST EARNINGS FROM THIS BALANCE ARE RESTRICTED BY THE DONOR FOR THE USE IN RESEARCH AND POLICY DEVELOPMENT. THE DONOR ALLOWS ENDOWMENT PRINCIPAL TO BE REDUCED BY UNREALIZED INVESTMENT LOSSES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOUNDATION HAS APPLIED THE ACCOUNTING PRINCIPLES RELATED TO ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES AND HAS DETERMINED THAT THERE IS NO MATERIAL IMPACT ON THE FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
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      <EmailSolicitationsInd>X</EmailSolicitationsInd>
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          <BusinessNameLine1Txt>MAL WARMICK DONORDIGITAL</BusinessNameLine1Txt>
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          <CityNm>BERKELEY</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
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      <LicensedStatesCd>CA</LicensedStatesCd>
      <LicensedStatesCd>AL</LicensedStatesCd>
      <LicensedStatesCd>AK</LicensedStatesCd>
      <LicensedStatesCd>AZ</LicensedStatesCd>
      <LicensedStatesCd>AR</LicensedStatesCd>
      <LicensedStatesCd>CO</LicensedStatesCd>
      <LicensedStatesCd>CT</LicensedStatesCd>
      <LicensedStatesCd>DE</LicensedStatesCd>
      <LicensedStatesCd>FL</LicensedStatesCd>
      <LicensedStatesCd>GA</LicensedStatesCd>
      <LicensedStatesCd>HI</LicensedStatesCd>
      <LicensedStatesCd>ID</LicensedStatesCd>
      <LicensedStatesCd>IL</LicensedStatesCd>
      <LicensedStatesCd>IN</LicensedStatesCd>
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      <LicensedStatesCd>MS</LicensedStatesCd>
      <LicensedStatesCd>MO</LicensedStatesCd>
      <LicensedStatesCd>MT</LicensedStatesCd>
      <LicensedStatesCd>NE</LicensedStatesCd>
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      <LicensedStatesCd>NJ</LicensedStatesCd>
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      <LicensedStatesCd>NY</LicensedStatesCd>
      <LicensedStatesCd>NC</LicensedStatesCd>
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      <LicensedStatesCd>OR</LicensedStatesCd>
      <LicensedStatesCd>PA</LicensedStatesCd>
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      <LicensedStatesCd>UT</LicensedStatesCd>
      <LicensedStatesCd>VT</LicensedStatesCd>
      <LicensedStatesCd>VA</LicensedStatesCd>
      <LicensedStatesCd>WA</LicensedStatesCd>
      <LicensedStatesCd>WV</LicensedStatesCd>
      <LicensedStatesCd>WI</LicensedStatesCd>
      <LicensedStatesCd>WY</LicensedStatesCd>
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    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>POINT BLUE CONSERVATION SCIENCE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3820 CYPRESS DRIVE 11</AddressLine1Txt>
          <CityNm>PETALUMA</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94954</ZIPCd>
        </USAddress>
        <RecipientEIN>941594250</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>16000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>CALIFORNIA GULL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>OIKONOS</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 1918</AddressLine1Txt>
          <CityNm>KAILUA</CityNm>
          <StateAbbreviationCd>HI</StateAbbreviationCd>
          <ZIPCd>96734</ZIPCd>
        </USAddress>
        <RecipientEIN>030385067</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>PHALAROPE RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>2</Total501c3OrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>A REPORT IS GIVEN TO US REGARDING ACCOUNTING AND THE PURPOSE OF THE GRANT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>GEOFFREY MCQUILKIN</PersonNm>
        <TitleTxt>EXCUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>149639</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>4489</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>154128</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>20</ContributionCnt>
        <NoncashContributionsRptF990Amt>667306</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <RealEstateResidentialGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>600000</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </RealEstateResidentialGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>RELATED PARTIES INCLUDE TWO RELATED BOARD MEMBERS. VIREO GAINES IS THE DAUGHTER OF SALLY GAINES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MONO LAKE FOUNDATION'S BOARD OF DIRECTORS HAS ESTABLISHED A PROCESS FOR BOARD REVIEW OF THE ORGANIZATION'S FORM 990 BEFORE FILING EACH YEAR. THE FORM 990 SHALL BE PROVIDED TO EACH BOARD MEMBER BY THE EXECUTIVE DIRECTOR AND GIVEN AT LEAST 5 DAYS TO REVIEW AND PROVIDE FEEDBACK. EACH BOARD MEMBER MAY, AT THEIR DISCRETION AND UPON NOTICE PRIOR TO THE FORM 990 FILING DATE, REQUEST A DISCUSSION OF THE FORM 990 WITH THE EXECUTIVE DIRECTOR, WITH THE ORGANIZATION'S CPA, WITH THE FINANCE COMMITTEE, OR AMONG THE ENTIRE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MONO LAKE FOUNDATION'S CONFLICT OF INTEREST POLICY COVERS INDIVIDUALS WHO MEET ANY OF THE FOLLOWING CRITERIA: (A) A MEMBER OF THE BOARD OF DIRECTORS OF THE ORGANIZATION (THE "BOARD"); (B) A MEMBER OF ANY COMMITTEE OF THE BOARD; (C) THE ORGANIZATION'S EXECUTIVE DIRECTOR, CHIEF FINANCIAL OFFICER, OR ANYONE HOLDING ANY OF THE POWERS OR RESPONSIBILITIES OF THESE OFFICES, REGARDLESS OF TITLE; (D) ANY OTHER INDIVIDUAL WHO IS IN A POSITION TO EXERCISE SUBSTANTIAL INFLUENCE OVER THE AFFAIRS OF THE ORGANIZATION, OR WHO HAS BEEN IN SUCH POSITION AT ANY TIME DURING THE TWO-YEAR PERIOD ENDING ON THE DATE OF A TRANSACTION PROPOSED TO BE ENTERED INTO BETWEEN THAT INDIVIDUAL AND THE ORGANIZATION; (E) THE SPOUSE, ANCESTORS, BROTHERS, SISTERS, AND CHILDREN OF ANY INDIVIDUAL DESCRIBED IN SUBPARAGRAPHS (A) THROUGH (D) ABOVE, AND THE SPOUSES OF THE BROTHERS, SISTERS, AND CHILDREN; AND (F) ANY LEGAL ENTITY IN WHICH MORE THAN 35% OF THE COMBINED VOTING POWER (IN THE CASE OF A CORPORATION), PROFITS INTEREST (IN THE CASE OF A PARTNERSHIP), OR BENEFICIAL INTEREST (IN THE CASE OF A TRUST) IS OWNED BY PERSONS DESCRIBED IN SUBPARAGRAPHS (A) THROUGH (E). INDIVIDUALS SUBJECT TO THE POLICY ARE RESPONSIBLE FOR REPORTING FINANCIAL INTERESTS THAT REQUIRE REVIEW UNDER THE POLICY. IN ADDITION, THE EXECUTIVE DIRECTOR AND SENIOR STAFF MONITOR ORGANIZATION TRANSACTIONS FOR POSSIBLE FINANCIAL INTERESTS AND DETERMINATION OF A CONFLICT, IF ANY, IS MADE BY THE BOARD OF DIRECTORS. WHEN A CONFLICT IS ESTABLISHED, AN ESTABLISHED PROCEDURE IS FOLLOWED TO DETERMINE IF THE TRANSACTION WILL BE ALLOWED OR DISALLOWED. IF THE INDIVIDUAL WITH THE FINANCIAL INTEREST IS A BOARD MEMBER, THAT INDIVIDUAL IS PROHIBITED FROM PARTICIPATING IN THE DELIBERATION AND VOTES RELATED TO THE CONFLICT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MONO LAKE FOUNDATION HAS ESTABLISHED A REGULAR PROCESS FOR REVIEWING THE PERFORMANCE OF THE EXECUTIVE DIRECTOR AND DETERMINING THE COMPENSATION OF THE EXECUTIVE DIRECTOR. AN ESTABLISHED EXECUTIVE REVIEW COMMITTEE OF THE BOARD OF DIRECTORS IS RESPONSIBLE FOR ANNUAL PERFORMANCE REVIEW AND COMPENSATION EVALUATION. THE EXECUTIVE REVIEW COMMITTEE GATHERS INFORMATION FOR ITS DUTIES INCLUDING PEER EVALUATIONS FROM STAFF MEMBERS AND COMPARABLE COMPENSATION INFORMATION FROM SIMILAR ORGANIZATIONS IN THE SIERRA NEVADA AND CALIFORNIA. EXECUTIVE REVIEW COMMITTEE MEMBERS DRAFT A PERFORMANCE REVIEW AND COMPENSATION RECOMMENDATION ON AN ANNUAL BASIS AND BRING IT TO THE FULL BOARD OF DIRECTORS FOR DISCUSSION IN CLOSED SESSION. FINAL REVIEW AND COMPENSATION DETERMINATION IS MADE BY THE FULL BOARD AND THEN PROVIDED TO THE EXECUTIVE DIRECTOR, BOTH IN PERSON AND THROUGH WRITTEN DOCUMENTATION. WHILE UNCOMMON, SHOULD A BOARD MEMBER HAVE A CONFLICT OF INTEREST IN REGARD TO EXECUTIVE DIRECTOR COMPENSATION, THAT BOARD MEMBER IS EXCLUDED FROM VOTING ON THE MATTER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MONO LAKE FOUNDATION FROM TIME TO TIME MAKES VARIOUS ORGANIZATIONAL DOCUMENTS PUBLICLY AVAILABLE ONLINE AND IN PRINTED MATERIALS. FOR EXAMPLE, SUMMARY FINANCIAL NUMBERS ARE INCLUDED IN THE ORGANIZATION'S ANNUAL REPORT. VARIOUS FULL ORGANIZATIONAL DOCUMENTS ARE AVAILABLE ON REQUEST. THESE INCLUDE: FINANCIAL STATEMENTS, ARTICLES OF INCORPORATION, BYLAWS, AND THE CONFLICT OF INTEREST POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER PROFESSIONAL FEES: PROGRAM SERVICE EXPENSES 728,962. MANAGEMENT AND GENERAL EXPENSES 129,733. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 858,695.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS A COMMITTEE THAT ASSUMES RESPONSIBILITY FOR OVERSIGHT OF THE FINANCIAL STATEMENT AUDIT AND THE SELECTION OF AN INDEPENDENT ACCOUNTANT. THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>