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      <AccountActivitiesOutsideUSGrp>
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        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTS TO PARTICIPANTS</TypeOfActivitiesConductedTxt>
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      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SUB-SAHARAN AFRICA</RegionTxt>
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        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
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      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND AND GREENLAND)</RegionTxt>
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        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SITE AND NETWORK MAINTENANCE</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>124951</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
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        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SITE AND NETWORK MAINTENANCE</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>79374</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SITE AND NETWORK MAINTENANCE</SpecificServicesProvidedTxt>
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      </AccountActivitiesOutsideUSGrp>
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      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
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      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>4619448</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <PurposeOfGrantTxt>SEED/TRANSMIT KAZAKHSTAN DATA TO IRIS DMC</PurposeOfGrantTxt>
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        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
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      </GrantsToOrgOutsideUSGrp>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>PROGRAM MANAGERS AND THEIR RESPECTIVE COMMITTEES EVALUATE SUBAWARDEE PROGRESS AND ANNUAL FUNDING RECOMMENDATIONS. THE ACCOUNTING DEPARTMENT AND THE CONTRACTS SPECIAL PROGRAMS OFFICE REVIEWS SUBAWARD INVOICES TO ENSURE COMPLIANCE WITH FINANCIAL AND AWARD TERMS AND CONDITIONS. PROGRAM MANAGERS MONITOR SUBAWARDEES TO ENSURE THEY ARE ACCOMPLISHING PROGRAM GOALS AND OBJECTIVES.</ExplanationTxt>
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    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CARLETON COLLEGE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
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          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>550574001</ZIPCd>
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      <RecipientTable>
        <RecipientBusinessName>
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        </RecipientBusinessName>
        <USAddress>
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          <ZIPCd>989267510</ZIPCd>
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        <RecipientEIN>916000618</RecipientEIN>
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      <RecipientTable>
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          <ZIPCd>94551</ZIPCd>
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        <RecipientEIN>205624386</RecipientEIN>
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      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
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        </RecipientBusinessName>
        <USAddress>
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          <CityNm>CAMBRIDGE</CityNm>
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      <RecipientTable>
        <RecipientBusinessName>
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        </RecipientBusinessName>
        <USAddress>
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          <CityNm>SOCORRO</CityNm>
          <StateAbbreviationCd>NM</StateAbbreviationCd>
          <ZIPCd>87801</ZIPCd>
        </USAddress>
        <RecipientEIN>856000411</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>OPERATIONS OF THE IRIS/PASSCALINSTRUMENT CENTER</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
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        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>RBHS 33 KNIGHTSBRIDGE RD 2ND FL</AddressLine1Txt>
          <CityNm>PISCATAWAY</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>08854</ZIPCd>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>URBAN GEOSYSTEMS COURSE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF CALOFORNIA SAN DIEGO</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
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          <CityNm>LA JOLLA</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>920930225</ZIPCd>
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      <RecipientTable>
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        </RecipientBusinessName>
        <USAddress>
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      <RecipientTable>
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      <RecipientTable>
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      <RecipientTable>
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          <StateAbbreviationCd>TX</StateAbbreviationCd>
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        <PurposeOfGrantTxt>PROGRAM FOR ARRAY SEISMIC STUDIES OF THE CONTINENTAL LITHOSPHERE</PurposeOfGrantTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>PROGRAM MANAGERS AND THEIR RESPECTIVE COMMITTEES EVALUATE SUBAWARDEE PROGRESS AND ANNUAL FUNDING RECOMMENDATIONS. THE ACCOUNTING DEPARTMENT AND THE CONTRACTS SPECIAL PROGRAMS OFFICE REVIEWS SUBAWARD INVOICES TO ENSURE COMPLIANCE WITH FINANCIAL AND AWARD TERMS AND CONDITIONS. PROGRAM MANAGERS MONITOR SUBAWARDEES TO ENSURE THEY ARE ACCOMPLISHING PROGRAM GOALS AND OBJECTIVES.</ExplanationTxt>
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    </IRS990ScheduleI>
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      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
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      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
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        <TotalCompensationFilingOrgAmt>258952</TotalCompensationFilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MATTIOLI GLEN</PersonNm>
        <TitleTxt>VICE PRESIDENT, GEODETIC INSTRUMENTA</TitleTxt>
        <BaseCompensationFilingOrgAmt>195930</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>1000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>2716</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>22485</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>447</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>222578</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CHARLEVOIX DONNA</PersonNm>
        <TitleTxt>VICE PRESIDENT, ENGAGEMENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>159331</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>1000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>743</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>17667</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>594</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>179335</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DONATO JUDY</PersonNm>
        <TitleTxt>CONTROLLER</TitleTxt>
        <BaseCompensationFilingOrgAmt>146523</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>1200</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1933</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>15575</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>13420</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>178651</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MCNAMARA EDWARD</PersonNm>
        <TitleTxt>EM-IV - ENGINEERING MANAGER IV</TitleTxt>
        <BaseCompensationFilingOrgAmt>142655</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>1671</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1223</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>17763</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>10754</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>174066</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>FEAUX KARL</PersonNm>
        <TitleTxt>PRIII-T1 - PROGRAM MANAGER III</TitleTxt>
        <BaseCompensationFilingOrgAmt>147317</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>1000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>692</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>16257</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>2261</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>167527</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE ARE TWO CATEGORIES OF MEMBERSHIP IN THE EARTHSCOPE CONSORTIUM: FULL (VOTING) MEMBERS AND ASSOCIATE MEMBERS. VOTING MEMBERS: EDUCATIONAL AND RESEARCH INSTITUTIONS CHARTERED IN THE UNITED STATES, WITH A MAJOR COMMITMENT TO RESEARCH IN GEODESY OR SEISMOLOGY AND RELATED FIELDS, INCLUDING SINGLE OR MULTIPLE CAMPUSES OF MULTI-CAMPUS UNIVERSITY SYSTEMS. VOTING MEMBERS: -HAVE A DIRECT ROLE IN SETTING POLICY AND PRIORITY FOR THE EARTHSCOPE CONSORTIUM COMMUNITY AND FACILITIES. -HAVE AN INSTITUTIONAL VOTE IN THE ELECTION OF MEMBERS OF THE EARTHSCOPE CONSORTIUM BOARD OF DIRECTORS. -HAVE MEMBERSHIP IN A COMMUNITY COMMITTED TO SCHOLARLY RESEARCH AND EDUCATION USING GEOPHYSICS. -ARE ELIGIBLE TO REQUEST FINANCIAL SUPPORT FOR PARTICIPATION IN EARTHSCOPE CONSORTIUM MEETINGS, SHORT COURSES, AND WORKSHOPS, WHEN AVAILABLE. ASSOCIATE MEMBERS: EDUCATIONAL AND RESEARCH INSTITUTIONS IN THE UNITED STATES THAT DO NOT OTHERWISE QUALIFY FOR VOTING MEMBERSHIP, GOVERNMENT ENTITIES IN THE UNITED STATES OR FOREIGN COUNTRIES THAT ARE ENGAGED IN GEODETIC OR SEISMOLOGICAL RESEARCH AND DEVELOPMENT, AND EDUCATIONAL AND RESEARCH INSTITUTIONS IN FOREIGN COUNTRIES THAT ARE ENGAGED IN GEODETIC OR SEISMOLOGICAL RESEARCH AND DEVELOPMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>FULL/VOTING MEMBERS ELECT THE EARTHSCOPE CONSORTIUM BOARD OF DIRECTORS AS DESCRIBED IN LINE 6</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGES TO THE ORGANIZATION'S BYLAWS ARE SUBJECT TO APPROVAL BY THE MEMBER REPRESENTATIVES OF FULL/VOTING INSTITUTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>NO COMMITTEES HAVE THE AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>EARTHSCOPE ENGAGES WITH A CPA FIRM TO PREPARE THE FORM 990, WITH INPUT FROM THE CONTROLLER. EARTHSCOPE'S CHIEF ADMINISTRATIVE OFFICER WILL SUBMIT THE DRAFT 990 TO THE BOARD OF DIRECTORS AND THE BUDGET AND FINANCE COMMITTEE FOR REVIEW PRIOR TO THE IRS FILING DEADLINE. EACH GROUP HAS AN OPPORTUNITY TO IDENTIFY FOLLOW-UP QUESTIONS, CONCERNS OR ISSUES. THE CAO, COO AND CEO WILL MAKE FINAL ADJUSTMENTS TO THE FORM 990 AND APPROVE ELECTRONIC FILING BY THE CPA FIRM WHO INITIALLY PREPARED THE RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY EARTHSCOPE WILL DISTRIBUTE THE CONFLICT OF INTEREST POLICY TO ALL EMPLOYEES. AN HR DESIGNEE WILL COLLECT ALL THE FORMS AND IDENTIFY DISCLOSURES TO SENIOR MANAGEMENT TEAM FOR FOLLOW-UP ACTION, IF NEEDED. THE HR DESIGNEE WILL ALSO MONITOR WHO HAS NOT SUBMITTED A CONFLICT OF INTEREST ACKNOWLEDGEMENT AND WILL FOLLOW UP WITH THOSE EMPLOYEES WHOSE FORMS REMAIN OUTSTANDING AS OF THE SUBMISSION DEADLINE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CEO'S COMPENSATION IS EVALUATED ANNUALLY BY THE BOARD OF DIRECTORS, WHO APPROVE THE CEO'S SALARY IN CONJUNCTION WITH EARTHSCOPE'S COGNIZANT FEDERAL AGENCY, THE NATIONAL SCIENCE FOUNDATION. SENIOR MANAGEMENT TEAM APPROVE OVERALL WAGE INCREASES FOR OTHER STAFF, BASED ON BUDGETS AND COST OF LIVING ADJUSTMENTS ADMINISTERED WITHIN OTHER FEDERAL AGENCIES. THE BOARD'S DECISION RELATED TO THE CEO'S COMPENSATION IS RECORDED IN EXECUTIVE SESSION BOARD MINUTES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS ARE AVAILABLE ONLINE THRU THE ORGANIZATION'S WEBSITE. THE CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>NO CHANGE IN THE PROCESS IN THE CURRENT YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>