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        <PersonNm>PATRICIA PERSAUD</PersonNm>
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        <PersonNm>DARRYL REANO</PersonNm>
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        <PersonNm>MELANIE BRANDT</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>BRIDGETTE MOORE</PersonNm>
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        <PersonNm>ANITA MONK-RYAN</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>AIDA SZTEIN FABER</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>TODD BERGGREN</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MARK PIGG</PersonNm>
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        <PersonNm>JENNIFER NOCERINO</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JASON ELKINS</PersonNm>
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        <EOYAmt>376196</EOYAmt>
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        <EOYAmt>57232505</EOYAmt>
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        <EOYAmt>18132</EOYAmt>
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        <ExplanationTxt>THE ORGANIZATION'S COUNCILORS (BOARD MEMBERS) ARE REQUIRED TO DISCLOSE ANNUALLY ANY INTEREST THAT COULD GIVE RISE TO CONFLICTS. THE EXECUTIVE DIRECTOR'S OFFICE MAINTAINS THESE FILES. THE ORGANIZATION'S STAFF ALL HAVE READ THE CONFLICT OF INTEREST POLICY AND HAVE A SIGNED CONFLICT OF INTEREST INFORMATION FORM ON FILE WHICH THEY UPDATE WHEN NECESSARY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>EMPLOYEES ARE REVIEWED SEMI-ANNUALLY. THEIR COMPENSATION LEVEL IS REVIEWED ANNUALLY. THE EXECUTIVE DIRECTOR HAS AN ANNUAL CONTRACT WHICH IS REVIEWED AND IF ACCEPTED, RENEWED BY THE COUNCIL OF THE ORGANIZATION. THE COUNCIL WILL DETERMINE ANNUALLY IF THE BUDGET ALLOWS FOR RAISES. WHEN HIRING NEW EMPLOYEES, THE COUNCIL USES MARKET SURVEYS FOR SIMILIAR POSITIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS FINANCIAL STATEMENTS, CODE OF CONDUCT, AND OTHER ORGANIZATIONAL DOCUMENTS AVAILABLE ON ITS WEBSITE. ITS FOUNDING DOCUMENTS, FORM 990 AND 990-T ARE AVAILABLE ON GUIDESTAR AND ARE ALSO AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>CONTRACT SERVICES: PROGRAM SERVICE EXPENSES 2,433,952. MANAGEMENT AND GENERAL EXPENSES 553,160. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 2,987,112.</ExplanationTxt>
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          <CityNm>BOULDER</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80301</ZIPCd>
        </USAddress>
        <EIN>742156871</EIN>
        <PrimaryActivitiesTxt>TO DEVELOP AND PROVIDE FUNDS TO SUPPORT THE GOALS AND PROGRAMS OF THE GSA</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)3</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 11</PublicCharityStatusTxt>
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      <GiftGrntCapContriFromOthOrgInd>1</GiftGrntCapContriFromOthOrgInd>
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      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>1</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
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          <BusinessNameLine1Txt>GEOLOGICAL SOCIETY OF AMERICA FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>C</TransactionTypeTxt>
        <InvolvedAmt>1854616</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>CASH</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>GEOLOGICAL SOCIETY OF AMERICA FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
        <InvolvedAmt>187248</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>HISTORICAL PAYROLL</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>GEOLOGICAL SOCIETY OF AMERICA FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>N</TransactionTypeTxt>
        <InvolvedAmt>129500</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>HISTORICAL SPACE USED</MethodOfAmountDeterminationTxt>
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