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        <CurrentTaxYearMinus4YearsAmt>4725</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2555</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3740</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>760</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1651</CurrentTaxYearAmt>
        <TotalAmt>13431</TotalAmt>
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      <PublicSupportTotal170Amt>13431</PublicSupportTotal170Amt>
      <TotalSupportAmt>13431</TotalSupportAmt>
      <PublicSupportCY170Pct>1.00000</PublicSupportCY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 4 - Description of Organization Collections &amp; How Furthers E</FormAndLineReferenceDesc>
        <ExplanationTxt>Various Artwork, prints and items relating to Lewis &amp; Clark</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Memberships</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Membership vote in directors when vacancies arise or terms of service are complete.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>Membership votes to approve by-law changes and governing directors elections.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>A draft copy is sent for approval, once approved, a final copy is disbursed to the entire board.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Avaliable upon request</ExplanationTxt>
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</Return>