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      <MissionDesc>THE FOLLOWING THREE GUIDING PRINCIPLES ARE THE FOUNDATION FOR ALL OF THE SANTA BARBARA MUSEUM OF NATURAL HISTORY'S ACTIVITIES: INSPIRING AN AWE FOR NATURE AND A THIRST FOR DISCOVERY; PROMOTING SUSTAINABILITY; AND CONNECTING OUR COMMUNITIES. THROUGH THESE PRINCIPLES WE STRIVE TO FOSTER A COMMUNITY THAT EXPLORES, UNDERSTANDS, AND PROTECTS THE NATURAL WORLD.</MissionDesc>
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      <Desc>COLLECTIONS &amp; RESEARCH:THIS PROGRAM ENCOMPASSES THE ACTIVITIES OF SIX RESEARCH DEPARTMENTS WITH A STAFF OF CURATORS AND ASSISTANTS. EACH DEPARTMENT IS CONTINUALLY INVOLVED IN DEVELOPING AND CONSERVING EXTENSIVE COLLECTIONS OF SPECIMENS, ARTIFACTS, BOOKS AND MANUSCRIPTS, ETC., THAT NUMBER OVER 3.5 MILLION ITEMS, AS WELL AS MAKING THESE RESOURCES ACCESSIBLE TO RESEARCHERS, EITHER DURING ACTUAL VISITS OR THROUGH WEB-BASED SERVICES. EXPENSES INCLUDE STAFF SALARIES, COLLECTION ACQUISITION, CONSERVATION, BIODIVERSITY AND ARCHAEOLOGICAL RESEARCH, PRODUCTION OF PUBLICATIONS, ECOLOGICAL FIELD SURVEYS, PUBLIC EXHIBIT DEVELOPMENT AND COMMUNITY OUTREACH.</Desc>
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        <Desc>EXHIBITS &amp; VISITOR SERVICES:THE MUSEUM HAS TWO SITES, ITS MISSION CREEK CAMPUS AND THE SEA CENTER LOCATED ON STEARNS WHARF.AT THE MISSION CREEK CAMPUS: GATE ATTENDANCE AT MISSION CANYON IN 2017 WAS 72,663. IN ADDITION, 28,419 CHILDREN AND ADULTS ATTENDED EDUCATIONAL PROGRAMS, 15,303 ATTENDED COMMUNITY RELATED EVENTS, 7,513 PERSONS CAME TO PARTICIPATE IN MUSEUM PROGRAMS AS VOLUNTEERS AND 1,081 CAME SPECIFICALLY FOR RESEARCH OR PROFESSIONAL SYMPOSIA, FOR A TOTAL ATTENDANCE AT THE MISSION CANYON CAMPUS OF 124,979.AMERICAN INDIAN BASKETRY FROM THE ANTHROPOLOGY COLLECTION:AS PART OF THE ONGOING SERIES BEHIND THE SCENES AT THE MUSEUM, FEATURING CULTURAL OBJECTS NOT ORDINARILY ON PUBLIC DISPLAY, CURATOR OF ETHNOGRAPHY DR. JAN TIMBROOK HAS CURATED A BEAUTIFUL AND INFORMATIVE EXHIBIT OF NEARLY TWO HUNDRED HISTORIC AND CONTEMPORARY NATIVE AMERICAN BASKETS FROM THE MUSEUM'S EXTENSIVE COLLECTION.0 TO 60: AN UNDERWATER ADVENTURE FROM THE EQUATOR TO ALASKA. A PHOTOGRAPHIC EXHIBT BY RICHARD SALAS:AN EXHIBIT OF UNDERWATER PHOTOGRAPHY DOCUMENTING 4,000 MILES OF UNDERWATER ADVENTURE. THE EXHIBIT IS SHOWING SIMULTANEOUSLY AT TWO VENUES: THE MISSION CREEK CAMPUS AND THE SEA CENTER.BUGS OUTSIDE THE BOX: FROM MAY 25, 2017 TO SEPTEMBER 10,2017FROM BEETLES TO BUTTERFLIES, THE TRAVELING EXHIBITION FEATURED AN ARMY OF GIANT BUG SCULPTURES HIGHLIGHTING MUSEUM COLLECTIONS, TAXONOMY, AND THE POWER OF MAGNIFICATION, BRINGING SCIENCE AND ART TOGETHER.CURIOSITY LAB:THE CURIOSITY LAB ALLOWS VISITORS TO EXPLORE THE NATURAL WORLD THROUGH HANDS-ON ACTIVITIES IN A DYNAMIC LEARNING LAB. VISITORS CAN BECOME NATURAL ARTISTS, TAKE AN UP-CLOSE LOOK AT OBJECTS, ASK QUESTIONS, AND PARTICIPATE IN A VARIETY OF SCIENTIFIC ACTIVITIES. CURIOSITY LAB NATURALISTS RECORDED 79,000 ENGAGEMENTS WITH VISITORS. THE MUSEUM BACKYARDTHE MUSEUM'S BACKYARD IS THE PLACE FOR NATURE EXPLORATION. GUESTS CAN BUILD AN OUTDOOR FORT; SEARCH FOR INVERTEBRATES IN THE MULCH PILE, EXPLORE A RECIRCULATING OUTDOOR WATERWAY, CREATE A MUDPIE, OBSERVE AUDUBON SOCIETY'S "EYES IN THE SKY" BIRDS OF PREY, AND LEARN AND PLAY IN OUR INVITING OAK WOODLAND CORRIDOR.NATURE CLUB HOUSE:THE NATURE CLUB HOUSE IS A SPACE WHERE GUESTS CAN GET HANDS-ON WITH LIVE ANIMALS, INSECTS AND SPECIMENS FOUND IN THE OAK WOODLAND.THE JOHN AND PEGGY MAXIMUS GALLERY LOCATED AT THE MISSION CANYON CAMPUS IS DEDICATED TO PRESERVATION AND DISPLAY OF ANTIQUE PRINTS PRESENTS THREE ORIGINAL EXHIBITS A YEAR WHICH HIGHLIGHT THE HISTORY AND DEVELOPMENT OF THE SCIENCES.DESIGN BY NATURE: 400 YEARS OF BOTANICAL ILLUSTRATIONFEBRUARY 10 THROUGH MAY 7, 2017SIGNIFICANT MILESTONES IN THE HISTORY OF BOTANICAL ILLUSTRATION SHED LIGHT ON THE EVOLUTION OF SCIENTIFIC AND ARTISTIC DEVELOPMENT. DRAWN FROM THE MUSEUM'S EXTENSIVE COLLECTION OF ANTIQUE PRINTS, THE SELECTED EXAMPLES OF EARLY WOODBLOCK, ENGRAVING, AND LITHOGRAPHY HIGHLIGHTED THE DISCOVERY OF THE BOUNTIES OF THE PLANT WORLD, THE ORIGINS OF BOTANY, AND METHODS OF PRINTMAKING AND INCLUDED WORKS BY SOME OF THE WORLD'S MOST FAMOUS BOTANICAL ARTISTS.INSECTAANTIQUE WORKS ON PAPER OF INSECTS AS EARLY AS 1665JUNE 9 - SEPTEMBER 4, 2017THE GALLERY WALLS SHOWCASED PRIZE EXAMPLES OF THIS SPECIES-RICH CLASS FROM THE MUSEUM'S ANTIQUE NATURAL HISTORY PRINT COLLECTION FROM AS EARLY AS 1665. THERE IS A WHOLE WORLD OF LITERATURE DEVOTED TO INSECTS. THREE HUNDRED YEARS OF DESCRIBING THIS CLASS HAS YIELDED COUNTLESS TREATISES ON THE SUBJECT FROM EVERY PART OF THE GLOBE-MOST WITH FASCINATING AND OFTEN BEAUTIFUL ILLUSTRATIONS.HIGHLIGHTS OF THE EXHIBIT INCLUDED A SPECIAL DISPLAY OF ANTIQUE MICROSCOPES AND RARE BOOKS OF GREAT SCIENTIFIC MERIT: ROBERT HOOKE'S MICROGRAPHIA WITH ITS FAMOUS PULL-OUT FLEA ILLUSTRATION AND JAN SWAMMERDAM'S BOOK, HISTORIA INSECTORUM GENERALIS, ON INSECT DISSECTION-BOTH FROM THE 1600'S. SWAMMERDAM LAID THE FOUNDATION OF MODERN INSECT CLASSIFICATION AND HOOKE USED THE WORD "CELL," THE BASIC UNIT OF LIFE, FOR THE FIRST TIME.WILD THINGS: AUDUBON'S NORTH AMERICAN MAMMALSOCTOBER 14, 2017 THROUGH JUNE 4, 2018THE ARTIST AND NATURALIST JOHN JAMES AUDUBON, FAMOUS FOR HIS WORK, THE BIRDS OF AMERICA, ALSO PRODUCED AN OUTSTANDING WORK ON NORTH AMERICAN MAMMALS. WHILE AMERICA'S MAMMALS WERE DESCRIBED OVER A PERIOD OF TIME GOING BACK TO THE 1600'S, THEY WERE NOT DOCUMENTED AND ILLUSTRATED IN ONE PUBLICATION UNTIL AUDUBON AND HIS CO-AUTHOR, THE REVEREND JOHN BACHMAN, PUBLISHED THE IMPERIAL FOLIO OF QUADRUPEDS. THE HAND-COLORED LITHOGRAPHS WERE PRINTED AND PUBLISHED BETWEEN 1845 AND 1848. DURING THIS TIME, MUCH OF WESTERN AMERICA WAS STILL POORLY KNOWN. THE PROJECT PROVED CHALLENGING PARTLY BECAUSE OF THE NOCTURNAL HABITS OF MANY MAMMALS. A SELECTION OF THESE BEAUTIFUL AND RARE PRINTS WERE DISPLAYED IN THE MAXIMUS GALLERY. AT THE SEA CENTER:GATE ATTENDANCE AT THE SEA CENTER IN 2017 WAS 101,751. IN ADDITION, 6,460 CHILDREN AND ADULTS ATTENDED EDUCATIONAL PROGRAMS, 240 ATTENDED COMMUNITY RELATED EVENTS, AND 575 PERSONS CAME TO PARTICIPATE IN MUSEUM PROGRAMS/OPERATIONS AS VOLUNTEERS, FOR A TOTAL ATTENDANCE AT THE SEA CENTER CAMPUS OF 109,026. JELLIES &amp; FRIENDS ENTER THE MESMERIZING WORLD OF JELLIES AND WATCH THESE ELEGANT ANIMALS AS THEY UNDULATE, PULSE, AND MOVE GRACEFULLY THROUGH THE WATER. WITHOUT BONES OR HEARTS, THEY MAY SEEM OTHERWORLDLY BUT THESE FASCINATING CREATURES HAVE BEEN ON EARTH FOR HUNDREDS OF MILLIONS OF YEARS. EXPERIENCE THE BEAUTY AND WONDER OF OUR LOCAL JELLIES - MADE MOSTLY OF WATER, THEY ARE 100% CAPTIVATING THE MESMERIZING WORLD OF JELLIES AND WATCH THESE ELEGANT ANIMALS AS THEY UNDULATE, PULSE, AND MOVE GRACEFULLY THROUGH THE WATER. SUSTAINABLE SEAFOOD AN EXHIBIT AND COMMUNITY OUTREACH PROGRAM TO INCREASE AWARENESS AND AVAILABILITY OF SUSTAINABLE SEAFOOD IN LOCAL RESTAURANTS AND MARKETS BY EDUCATING OUR COMMUNITY ABOUT THE IMPACT OF THEIR SEAFOOD CHOICES ON THE HEALTH OF THE PLANET. BY INCREASING COMMUNITY SUPPORT FOR SUSTAINABLE AND LOCAL SEAFOOD, WE DO OUR PART TO ENSURE THAT ALL THE TASTY SEAFOOD DISHES WE ENJOY TODAY ARE AVAILABLE FOR GENERATIONS TO COME.SHARK COVEVISITORS CAN COME FACE TO FACE WITH SURPRISINGLY DOCILE MARINE PREDATORS - COASTAL SHARKS AND RAYS, SEE BABY SHARKS STILL IN THEIR TRANSLUCENT EGG CASES, EXPLORE INTERACTIVE EXHIBITS THAT HIGHLIGHT A SHARK'S WORLD AND ENJOY THE EVER-POPULAR SHARK TOUCH POOL.INTERTIDAL WONDERSVISITORS GET THEIR HANDS WET AS THEY EXPLORE THE WONDERS AND BEAUTY OF LOCAL MARINE LIFE IN THE NEW INTERTIDAL WONDERS TOUCH POOLS. HERE ONE CAN FEEL THE STICKINESS OF A SEA ANEMONE TENTACLE OR CRADLE A HERMIT CRAB IN THE PALM OF THEIR HAND. TRAINED NATURALISTS HELP GUIDE VISITORS IN THE DISCOVERY OF A VARIETY OF MARINE INVERTEBRATES THAT CALL THE SANTA BARBARA COAST THEIR HOME.0 TO 60: AN UNDERWATER ADVENTURE FROM THE EQUATOR TO ALASKA. A PHOTOGRAPHIC EXHIBIT BY RICHARD SALASAN EXHIBIT OF UNDERWATER PHOTOGRAPHY DOCUMENTING 4,000 MILES OF UNDERWATER ADVENTURE. THE EXHIBIT IS SHOWING SIMULTANEOUSLY AT TWO VENUES: THE MISSION CREEK CAMPUS AND THE SEA CENTER.</Desc>
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        <Desc>EDUCATION:THE MUSEUM'S RICH ARRAY OF EDUCATIONAL PROGRAMS SERVED OVER 60,000 INDIVIDUALS IN 2017 AND ARE ON THE CUTTING EDGE OF CURRENT EDUCATIONAL PRACTICE, ESPECIALLY WITH REGARD TO INQUIRY-BASED SCIENCE EDUCATION WITH PROGRAMMING FOR EVERY MAJOR AGE GROUP, INCLUDING PRE-SCHOOLERS, K-12 STUDENTS, TEENAGERS, ADULTS, AND SENIORS. IN 2017, 21,000 SCHOOLCHILDREN PARTICIPATED IN PROGRAMS LINKED TO STATE AND NATIONAL LEARNING STANDARDS, AND MANY TOOK PART IN OUTDOOR EDUCATION EXPERIENCES. THIS IS MADE POSSIBLE BY DOCENTS WHO DONATED OVER 17,000 HOURS IN 2017.THE MUSEUM PARTICIPATES IN THE "NO CHILD LEFT INSIDE" MOVEMENT AND IS A REGIONAL LEADER OF THE NATIONAL CHILDREN AND NATURE NETWORK. THE MUSEUM ALSO RUNS A NATIONALLY RECOGNIZED TEEN PROGRAM, QUASARS TO SEA STARS, WHICH OFFERS FOUR YEARS OF EDUCATION AND WORK EXPERIENCES FOR 14 HIGH SCHOOL STUDENTS. ANOTHER 23 HIGH SCHOOL STUDENTS PARTICIPATED IN THE SUMMER VOLUNTEENS AND C.I.T. PROGRAM. THE VOLUNTEENS COLLABORATED WITH JUNIOR AND SENIOR QUASARS TO DELIVER THE SUMMER TOUR "DINO-SOAR." TOGETHER THE TEENS CONDUCTED 56 TOURS TO 592 PARTICIPANTS AND CONTRIBUTED OVER 1,000 HOURS OF SERVICE TO THE MUSEUM.THE COMMUNITY EDUCATION DEPARTMENT PROVIDED LIFE LONG LEARNING FOR OVER 8,000 COMMUNITY MEMBERS THROUGH MORE THAN 40 IN-DEPTH LECTURES, WORKSHOPS, PROGRAMS AND FIELD TRIPS.THE MUSEUM HAS A SPECIMEN LOAN PROGRAM, THE NATURE COLLECTION. IN 2017, APPROXIMATELY 60,000 SCHOOLCHILDREN ENCOUNTERED OUR NATURE COLLECTION ITEMS IN THEIR SCHOOLS.THE MUSEUM CONTINUES TO FOCUS ON RECONNECTING VISITORS TO NATURE BY TAKING ADVANTAGE OF ONE OF OUR GREATEST ASSETS, OUR BEAUTIFUL OUTDOOR ENVIRONMENT, AND IS PART OF A GROWING NATIONAL EFFORT TO GET CHILDREN BACK INTO NATURE. THE MUSEUM BACKYARD IS AN ENHANCED WOODLAND AREA DESIGNED TO ENTICE CHILDREN TO EXPLORE AND PLAY. SPACE ELEMENTS INCLUDE A BOULDER-HOPPING AREA, A FORT-BUILDING ZONE, A PERFORMANCE STAGE AREA, A MUD PLAY AREA AND A REALISTIC SMALL-SCALE "CREEK" FOR WATER PLAY. ALL ELEMENTS USE LOCAL MATERIALS AND WERE DESIGNED TO BE AS NATURAL IN APPEARANCE (UNCONSTRUCTED) AS POSSIBLE. THE MUSEUM OFFERS A NUMBER OF NATURE-BASED PROGRAMS FOR FAMILIES, SCHOOL GROUPS, CAMPERS, AND EDUCATORS IN ITS BACKYARD.GUESTS HAVE AN OPPORTUNITIES THROUGHOUT THE YEAR TO ENGAGE IN HANDS-ON SCIENCE WITH OVER 10 SCIENCE ON SITE PROGRAMS.THE MUSEUM HAS A PLANETARIUM AND AN OBSERVATORY WITH A NEW OPTICS SYSTEM WHICH IS USED IN SCHOOL AND PUBLIC PRESENTATIONS INCORPORATING THE CONCEPTS AND GUIDELINES FROM THE NGSS. MONTHLY STAR VIEWING EVENTS ARE HELD FREE TO THE GENERAL PUBLIC.THE MUSEUM ALSO OFFERS AFTER SCHOOL CLASSES AND CAMPS FOR CHILDREN. IN 2017, TOPICS COVERED INCLUDED BUGS AND INSECTS, ASTRONOMY, PALEONTOLOGY AND GEOLOGY, CHEMISTRY, BIOLOGY, ROBOTICS, SPA SCIENCE, MARINE BIOLOGY, AND NATURE OBSERVATION. ENROLLMENT TOPPED 800 PARTICIPANTS IN 2017.THE MUSEUM ALSO PARTICIPATED IN SCIENCE NIGHTS AT 12 LOCAL SCHOOLS WITH 300-400 STUDENTS AT EACH EVENT.</Desc>
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          <BusinessNameLine1Txt>COO</BusinessNameLine1Txt>
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          <AddressLine1Txt>2559 PUESTA DEL SOL</AddressLine1Txt>
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        <PersonNm>VENESA FACIANE</PersonNm>
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        <PersonNm>DENNIS POWER</PersonNm>
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        <PersonNm>CAROLYN CHANDLER</PersonNm>
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        <PersonNm>CHRIS BLAU</PersonNm>
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        <PersonNm>ELAINE GIBSON</PersonNm>
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        <PersonNm>FRANK DAVIS</PersonNm>
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        <PersonNm>TORY MILAZZO</PersonNm>
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        <PersonNm>STEVEN WOODWARD</PersonNm>
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        <PersonNm>CHRIS KNOWLTON</PersonNm>
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        <PersonNm>WAYNE ROSING</PersonNm>
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        <PersonNm>TERRY VALESKI</PersonNm>
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        <PersonNm>CAROLINE GRANGE</PersonNm>
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          <USAddress>
            <AddressLine1Txt>4571 ELECTRONICS PLACE</AddressLine1Txt>
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        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>SCHIPPER CONSTRUCTION</BusinessNameLine1Txt>
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            <StateAbbreviationCd>CA</StateAbbreviationCd>
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          <BusinessName>
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          <BusinessName>
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        <ProgramServicesAmt>162580</ProgramServicesAmt>
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        <ProgramServicesAmt>2306921</ProgramServicesAmt>
        <ManagementAndGeneralAmt>432359</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>56001</ProgramServicesAmt>
        <ManagementAndGeneralAmt>11858</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>353975</ProgramServicesAmt>
        <ManagementAndGeneralAmt>113660</ManagementAndGeneralAmt>
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        <EOYAmt>87064</EOYAmt>
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        <EOYAmt>269146</EOYAmt>
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        <EOYAmt>751</EOYAmt>
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        <EOYAmt>17560</EOYAmt>
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        <EOYAmt>1711236</EOYAmt>
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        <EOYAmt>78912209</EOYAmt>
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      <FSAuditedInd>1</FSAuditedInd>
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      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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        <CurrentTaxYearMinus3YearsAmt>9121821</CurrentTaxYearMinus3YearsAmt>
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        <CurrentTaxYearAmt>6256331</CurrentTaxYearAmt>
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      <PublicSupportTotal170Amt>26214376</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
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        <CurrentTaxYearMinus3YearsAmt>1441453</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>955294</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1258513</CurrentTaxYearMinus1YearAmt>
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        <TotalAmt>68821</TotalAmt>
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      <PublicSupportPY170Pct>0.66150</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
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    <IRS990ScheduleB documentId="RetDoc1234500001" />
    <IRS990ScheduleD documentId="RetDoc1040000001">
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      <CollUsedScholarlyRsrchInd>X</CollUsedScholarlyRsrchInd>
      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <CollUsedLoanOrExchProgInd>X</CollUsedLoanOrExchProgInd>
      <SolicitedAssetsSaleInd>0</SolicitedAssetsSaleInd>
      <AgentTrusteeEtcInd>0</AgentTrusteeEtcInd>
      <InclEscrowCustodialAcctLiabInd>1</InclEscrowCustodialAcctLiabInd>
      <ExplanationProvidedInd>X</ExplanationProvidedInd>
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        <ContributionsAmt>2160132</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>6642945</InvestmentEarningsOrLossesAmt>
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        <EndYearBalanceAmt>47673264</EndYearBalanceAmt>
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        <ContributionsAmt>3867677</ContributionsAmt>
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        <EndYearBalanceAmt>40971721</EndYearBalanceAmt>
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        <InvestmentEarningsOrLossesAmt>-1682578</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>1959928</OtherExpendituresAmt>
        <EndYearBalanceAmt>37217162</EndYearBalanceAmt>
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        <ContributionsAmt>925325</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>1094997</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>1749906</OtherExpendituresAmt>
        <EndYearBalanceAmt>40856719</EndYearBalanceAmt>
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        <InvestmentEarningsOrLossesAmt>4765590</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>4370342</OtherExpendituresAmt>
        <EndYearBalanceAmt>40586303</EndYearBalanceAmt>
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      <EndowmentsHeldUnrelatedOrgInd>1</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
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        <BookValueAmt>314388</BookValueAmt>
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      <BuildingsGrp>
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        <DepreciationAmt>10523252</DepreciationAmt>
        <BookValueAmt>7313294</BookValueAmt>
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        <BookValueAmt>47457</BookValueAmt>
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        <DepreciationAmt>282407</DepreciationAmt>
        <BookValueAmt>8857557</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>16532696</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>NONMARKETABLE AND OTHER INVESTMENTS</Desc>
        <BookValueAmt>11434772</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
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      <TotalBookValueSecuritiesAmt>11434772</TotalBookValueSecuritiesAmt>
      <OtherAssetsOrgGrp>
        <Desc>ASSETS HELD UNDER CHARITABLE AGREEMENTS</Desc>
        <BookValueAmt>10277809</BookValueAmt>
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      <OtherAssetsOrgGrp>
        <Desc>REAL PROPERTY HELD FOR INVESTMENT</Desc>
        <BookValueAmt>630000</BookValueAmt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>DEPOSITS</Desc>
        <Amt>17560</Amt>
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      <TotalLiabilityAmt>17560</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
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      <NetUnrealizedGainsInvstAmt>3785821</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>865237</OtherRevenueAmt>
      <RevenueNotReportedAmt>4651058</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>10338712</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>150600</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>150600</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>10489312</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>7212522</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>7212522</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>150600</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>150600</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>7363122</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>IN CONFORMITY WITH THE PRACTICE FOLLOWED BY MUSEUMS, COLLECTION OBJECTS PURCHASED AND DONATED ARE NOT INCLUDED IN THE ASSETS OF THE ORGANIZATION. THE MUSEUM IS CONTINUALLY DEVELOPING THE COLLECTIONS, WHICH CURRENTLY INCLUDE MORE THAN 3.5 MILLION SPECIMENS, ARTIFACTS, OTHER CULTURAL OBJECTS, BOOKS, AND MANUSCRIPTS. THESE HOLDINGS ARE USED BY MUSEUM SCIENTISTS AND A WORLDWIDE NETWORK OF RESEARCHERS FROM A VARIETY OF DISCIPLINES. THEIR USAGE FORMS THE BASIS OF PUBLISHED FINDINGS, AS WELL AS PROGRAMS IN EDUCATION AND MUSEUM EXHIBITIONS. THE COLLECTION IS KEPT UNDER CURATORIAL CARE INCLUDING CONSERVATION PRACTICES, AND IS SUBJECT TO THE MUSEUM'S POLICY THAT REQUIRES PROCEEDS FROM THE SALE OF COLLECTION ITEMS TO BE USED ONLY FOR ACQUISITION OF ADDITIONAL COLLECTIONS. THE MUSEUM DOES NOT RECOGNIZE AS A CONTRIBUTION ANY INCOME FROM DONATED COLLECTION ITEMS, AS ITS COLLECTIONS ARE NOT CAPITALIZED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>IN CONFORMITY WITH THE PRACTICE FOLLOWED BY MUSEUMS, COLLECTION OBJECTS PURCHASED AND DONATED ARE NOT INCLUDED IN THE ASSETS OF THE ORGANIZATION. THE MUSEUM IS CONTINUALLY DEVELOPING THE COLLECTIONS, WHICH CURRENTLY INCLUDE MORE THAN 3.5 MILLION SPECIMENS, ARTIFACTS, OTHER CULTURAL OBJECTS, BOOKS, AND MANUSCRIPTS. THESE HOLDINGS ARE USED BY MUSEUM SCIENTISTS AND A WORLDWIDE NETWORK OF RESEARCHERS FROM A VARIETY OF DISCIPLINES. THEIR USAGE FORMS THE BASIS OF PUBLISHED FINDINGS, AS WELL AS PROGRAMS IN EDUCATION AND MUSEUM EXHIBITIONS. THE COLLECTION IS KEPT UNDER CURATORIAL CARE INCLUDING CONSERVATION PRACTICES, AND IS SUBJECT TO THE MUSEUM'S POLICY THAT REQUIRES PROCEEDS FROM THE SALE OF COLLECTION ITEMS TO BE USED ONLY FOR ACQUISITION OF ADDITIONAL COLLECTIONS. THE MUSEUM DOES NOT RECOGNIZE AS A CONTRIBUTION ANY INCOME FROM DONATED COLLECTION ITEMS, AS ITS COLLECTIONS ARE NOT CAPITALIZED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV, LINE 2B:</FormAndLineReferenceDesc>
        <ExplanationTxt>IN 2016, THE MUSEUM BEGAN SERVING AS FISCAL AGENT FOR THE CHANNEL ISLANDS REGIONAL SCIENCE INITIATIVE TO IMPROVE SCIENCE TEACHING AND LEARNING IN SCHOOLS. FUNDS TOTALING $75,000 WERE DONATED BY LOCAL FOUNDATIONS IN 2016 AND WERE FULLY EXPENDED EXCEPT FOR $751 IN 2017.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>INCOME FROM ENDOWMENT FUNDS IS USED TO FUND GENERAL OPERATIONS AS WELL AS BEING SPECIFICALLY EARMARKED TO SUPPORT MALACOLOGY, MUSEUM STUDIES, PUBLIC PROGRAMS, GEOLOGY, PALEONTOLOGY, INTERNSHIPS, THE MAXIMUS GALLERY FOR ANTIQUE NATURAL HISTORY PRINTS, FACILITIES REPAIR, INNOVATIVE EDUCATION AND ENTOMOLOGY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM IS UNAWARE OF ANY UNCERTAIN TAX POSITIONS AT DECEMBER 31, 2017, OR FOR ANY PERIOD FOR WHICH THE STATUTE OF LIMITATIONS REMAINS OPEN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN VALUE OF CHARITABLE TRUSTS 865,237.</ExplanationTxt>
      </SupplementalInformationDetail>
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        <CharitableContriEvent1Amt>271283</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>31781</GrossRevenueEvent1Amt>
        <FoodAndBeverageEvent1Amt>23103</FoodAndBeverageEvent1Amt>
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        <Event2Nm>ART WALK</Event2Nm>
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        <GrossRevenueEvent2Amt>86703</GrossRevenueEvent2Amt>
        <FoodAndBeverageEvent2Amt>8509</FoodAndBeverageEvent2Amt>
        <EntertainmentEvent2Amt>0</EntertainmentEvent2Amt>
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        <OtherEventsTotalCnt>3</OtherEventsTotalCnt>
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        <CharitableContriOtherEventsAmt>32235</CharitableContriOtherEventsAmt>
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        <FoodAndBeverageOtherEventsAmt>1847</FoodAndBeverageOtherEventsAmt>
        <EntertainmentOtherEventsAmt>320</EntertainmentOtherEventsAmt>
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        <FoodAndBeverageTotalEventsAmt>33459</FoodAndBeverageTotalEventsAmt>
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        <OthDirectExpnssTotalEventsAmt>235130</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>275409</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-99607</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <HousingAllowanceOrResidenceInd>X</HousingAllowanceOrResidenceInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <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>1</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LUKE SWETLAND</PersonNm>
        <TitleTxt>PRESIDENT &amp; CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>185783</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5574</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>11262</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>202619</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>AS A PART OF THE EMPLOYMENT CONTRACT WITH THE CEO, THE MUSEUM PROVIDES HOUSING ON MUSEUM PROPERTY. THE CEO IS ON CALL FOR MUSEUM EMERGENCIES AS WELL AS USES THE RESIDENCE FOR MUSEUM FUNCTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>TOTAL COMPENSATION INCLUDES DISCRETIONARY BONUSES RECOMMENDED BY THE EXECUTIVE COMMITTEE BASED ON THE MUSEUM'S STRONG PERFORMANCE IN 2017. BONUSES WERE PAID TO LUKE SWETLAND, PRESIDENT AND CEO, DIANE WONDOLOWSKI, COO AND CFO, AND CAROLINE GRANGE, DIRECTOR OF DEVELOPMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>VINCE CABALLERO</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>BOARD TRUSTEE</RelationshipDescriptionTxt>
        <TransactionAmt>32216</TransactionAmt>
        <TransactionDesc>VINCE CABALLERO IS THE REGIONAL MANAGER OF UNION BANK, WHICH IS CUSTODIAN OF THE MUSEUM'S INVESTMENT ACCOUNTS. FEES PAID TO UNION BANK IN 2017 TOTAL $32,216.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>STEVE WOODWARD</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>BOARD TRUSTEE</RelationshipDescriptionTxt>
        <TransactionAmt>561186</TransactionAmt>
        <TransactionDesc>STEVE WOODWARD IS SENIOR VICE PRESIDENT OF HUB INTERNATIONAL INSURANCE, WHICH ACTS AS INSURANCE BROKER TO THE MUSEUM. TOTAL PREMIUMS PAID WERE $561,186, A PERCENTAGE OF WHICH WAS RECEIVED BY RIVIERA INSURANCE.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <WorksOfArtGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>33</ContributionCnt>
      </WorksOfArtGrp>
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>11</ContributionCnt>
        <NoncashContributionsRptF990Amt>244373</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>EQUIPMENT</Desc>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>16267</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>BOOKS/PUBLICATIONS</Desc>
        <ContributionCnt>800</ContributionCnt>
        <NoncashContributionsRptF990Amt>0</NoncashContributionsRptF990Amt>
      </OtherNonCashContriTableGrp>
      <Form8283ReceivedCnt>2</Form8283ReceivedCnt>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 33:</FormAndLineReferenceDesc>
        <ExplanationTxt>IN CONFORMITY WITH THE PRACTICE FOLLOWED BY MUSEUMS, COLLECTION OBJECTS DONATED ARE NOT INCLUDED IN REVENUE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>AN ELECTRONIC VERSION OF THE FORM 990 WAS SENT TO ALL FINANCE COMMITTEE AND BOARD MEMBERS FOR REVIEW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>SIGNED STATEMENTS REGARDING POTENTIAL CONFLICTS OF INTEREST ARE REQUIRED FROM BOARD MEMBERS ON AN ANNUAL BASIS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SALARIES OF THE EXECUTIVE DIRECTOR AND CFO ARE SET BY THE BOARD'S EXECUTIVE COMMITTEE AFTER REVIEW OF CURRENT COMPARATIVE DATA OF CALIFORNIA NONPROFITS AND MUSEUMS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS AND CONFLICT OF INTEREST POLICY ARE AVAILABLE UPON REQUEST. AUDITED FINANCIAL STATEMENTS ARE POSTED ON THE ORGANIZATION'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN VALUE OF CHARITABLE TRUSTS 865,237.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM HAS AN AUDIT COMMITTEE THAT ASSUMES RESPONSIBILITY OF THE AUDITED FINANCIAL STATEMENTS AND THE SELECTION OF AN INDEPENDENT ACCOUNTANT. THIS PROCESS HAS NOT CHANGED SINCE LAST YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, GOVERNANCE, MANAGEMENT, AND DISCLOSURE</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM'S BYLAWS CALL FOR THE EXISTENCE OF AN EXECUTIVE COMMITTEE OF THE BOARD, CONSISTING OF NO FEWER THAN SIX TRUSTEES, INCLUDING THE VICE CHAIRS FOR GOVERNANCE, FINANCE, AND DEVELOPMENT, THE SECRETARY, THE IMMEDIATE PAST BOARD PRESIDENT, AND A MEMBER AT LARGE ELECTED FROM THE TRUSTEES AT THE ANNUAL ORGANIZATIONAL MEETING. THE BOARD CHAIR OF THE MUSEUM SHALL BE THE CHAIR OF THE EXECUTIVE COMMITTEE. THE EXECUTIVE COMMITTEE SHALL HAVE SUCH POWER AND AUTHORITY AS MAY BE DELEGATED TO IT BY THE BOARD, AND SHALL EXERCISE ITS POWER IN EMERGENCY SITUATIONS BETWEEN MEETINGS OF THE BOARD OR AS OTHERWISE DELEGATED BY THE BOARD. AN EMERGENCY SITUATION SHALL BE DEEMED TO EXIST IF TWO OFFICERS OF THE BOARD DECLARE AN EMERGENCY. MINUTES SHALL BE KEPT AND DECISIONS COMMUNICATED TO THE BOARD WITHIN FIVE BUSINESS DAYS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>