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      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc3">
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>218731</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>199128</DepreciationAmt>
        <BookValueAmt>19603</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>19603</TotalBookValueLandBuildingsAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>THE NORTHCOAST MARINE MAMMAL CENTERS (NMMC) MISSION IS TO PROMOTE THE LONG-TERM HEALTH OF MARINE MAMMALS ALONG APPROXIMATELY TWO HUNDRED MILES OF REMOTE COASTLINE IN HUMBOLDT AND DEL NORTE COUNTIES IN NORTHERN CALIFORNIA. THE NMMC DOES THIS THROUGH THE RESCUE AND REHABILITATION OF SICK, INJURED, OR ORPHANED MARINE MAMMALS. THE SPECIES WE MOST OFTEN REHABILITATE ARE PINNEPEDS: CALIFORNIA SEA LIONS, NORTHERN ELEPHANT SEALS, AND PACIFIC HARBOR SEALS. LESS COMMON PATIENTS INCLUDE NORTHERN FUR SEALS, GUADALUPE FUR SEALS, AND STELLERS SEA LIONS. AN ADDITIONAL GOAL OF THE NMMC IS TO DEVELOP AND PRESENT EDUCATIONAL PROGRAMS THAT FOSTER AN UNDERSTANDING OF MARINE MAMMALS AND THEIR ENVIRONMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE NORTHCOAST MARINE MAMMAL CENTERS (NMMC) MISSION IS TO PROMOTE THE LONG-TERM HEALTH OF MARINE MAMMALS ALONG APPROXIMATELY TWO HUNDRED MILES OF REMOTE COASTLINE IN HUMBOLDT AND DEL NORTE COUNTIES IN NORTHERN CALIFORNIA. THE NMMC DOES THIS THROUGH THE RESCUE AND REHABILITATION OF SICK, INJURED, OR ORPHANED MARINE MAMMALS. THE SPECIES WE MOST OFTEN REHABILITATE ARE PINNEPEDS: CALIFORNIA SEA LIONS, NORTHERN ELEPHANT SEALS, AND PACIFIC HARBOR SEALS. LESS COMMON PATIENTS INCLUDE NORTHERN FUR SEALS, GUADALUPE FUR SEALS, AND STELLERS SEA LIONS. AN ADDITIONAL GOAL OF THE NMMC IS TO DEVELOP AND PRESENT EDUCATIONAL PROGRAMS THAT FOSTER AN UNDERSTANDING OF MARINE MAMMALS AND THEIR ENVIRONMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>NO REVIEW WAS OR WILL BE CONDUCTED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>NO DOCUMENTS AVAILABLE TO THE PUBLIC</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
