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        <ExplanationTxt>Program Service Revenue - 2018 Amount: $ 154,801. 2019 Amount: $ 49,133. 2020 Amount: $ 122,196. 2021 Amount: $ 90,424. 2022 Amount: $ 116,189. Sales of Inventory - 2018 Amount: $ 61,181. 2019 Amount: $ 10,658. 2020 Amount: $ 29,958. 2021 Amount: $ 21,261. 2022 Amount: $ 19,135.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Museum serves as one of only two federally recognized repositories for archaeological artifacts in the State of Maine. In addition, the Museum houses an extensive collection of historic and contemporary Native American artwork and crafts, which, in part, forms the basis for public exhibitions that highlight Native American cultures.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>Management of the Museum believes it has no material uncertain tax positions and, accordingly it will not recognize any liability for unrecognized tax benefits.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in Value of Split Interest Agreement 3,745.</ExplanationTxt>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>General members have the authority to elect members to the Board of Trustees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>A majority vote of general members, by written ballot, elects the Board of Trustees (Board of Directors) as provided in the by-laws.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990 is reviewed by the Executive Director, the Finance Committee in its role as audit oversight, and the Board of Trustees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Officers, directors, trustees, and all employees receive a copy of the ethics policy, containing the conflict of interest policy, when they become affiliated with the museum. The conflict of interest policy must be signed by all individuals.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The Museum does not have a written policy on compensation process. Generally, the Museum's Executive Director's salary is set by the Board of Trustees. The Board is independent, but generally salaries are not compared to the salaries of comparable positions outside the Museum. The Museum used a consulting firm to hire the new Executive Director and used its advice in setting the salary. All compensation for other employees is set by the Executive Director.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Documents are available through Guidestar and upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in Value of Split Interest Agreement 3,745.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>The process has not changed from the prior year.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>