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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
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      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
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        <Desc>CUSTOMER DEPOSITS</Desc>
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      <OtherLiabilitiesOrgGrp>
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      <OtherLiabilitiesOrgGrp>
        <Desc>GIFT CERTIFICATES</Desc>
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    <IRS990ScheduleL documentId="RetDoc5">
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        <DefaultInd>false</DefaultInd>
        <BoardOrCommitteeApprovalInd>false</BoardOrCommitteeApprovalInd>
        <WrittenAgreementInd>false</WrittenAgreementInd>
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      <AnyPropertyThatMustBeHeldInd>false</AnyPropertyThatMustBeHeldInd>
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      <ThirdPartiesUsedInd>false</ThirdPartiesUsedInd>
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    <IRS990ScheduleO documentId="RetDoc7">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MISSION OF THE MMGM, A 501(C)(3) NONPROFIT ORGANIZATION IS TO CELEBRATE THE MINERALOGY OF MAINE AND TO ENLIGHTEN VISITORS AS TO THE ORIGIN OF EARTH AND BEYOND THROUGH DYNAMIC EXHIBITS, EDUCATIONAL PROGRAMMING AND SCIENTIFIC RESEARCH.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
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        <ExplanationTxt>NO REVIEW WAS OR WILL BE CONDUCTED.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>NO DOCUMENTS AVAILABLE TO THE PUBLIC</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
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    </IRS990ScheduleO>
  </ReturnData>
</Return>