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      <OtherExpensesGrp>
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      <ReconcilationRevenueExpnssAmt>219</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
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        <FormAndLineReferenceDesc>Part I: Additional Information</FormAndLineReferenceDesc>
        <ExplanationTxt>Schedule A / Part II / Section B / Line 5 $1,583,569Included in this amount are two single, significant non-cash donations:1. $900,000 donation in 2022 resulting from the charitable bargain purchase of an abutting waterfront property which will allow the museum harbor-front access to continue water-based programs in perpetuity. The assessed value of that property was $1,500,000 and the property was purchased for $600,000, resulting in a $900,000 non-cash donation.2. $530,000 donation in 2020 which was a non-cash donation of property.</ExplanationTxt>
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        <ExplanationTxt>Jim and Meg Sharp are married.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 is reviewed by the board Chair, Treasurer, and Executive Director prior to filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 18</FormAndLineReferenceDesc>
        <ExplanationTxt>All governing documents are available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
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