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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM'S COLLECTIONS, WHICH WERE ACQUIRED THROUGH PURCHASES AND CONTRIBUTIONS, ARE NOT RECOGNIZED AS ASSETS IN THE STATEMENT OF FINANCIAL POSITION. PURCHASES OF COLLECTION ITEMS ARE RECORDED AS DECREASES IN UNRESTRICTED NET ASSETS IN THE YEAR IN WHICH THE ITEMS ARE ACQUIRED, OR AS TEMPORARILY OR PERMANENTLY RESTRICTED NET ASSETS IF THE ASSETS USED TO PURCHASE THE ITEMS ARE RESTRICTED BY DONORS. THE MUSEUM'S COLLECTIONS ARE MADE UP OF ARTIFACTS OF HISTORICAL SIGNIFICANCE, SCIENTIFIC SPECIMENS, AND ART OBJECTS THAT ARE HELD FOR EDUCATIONAL, RESEARCH, SCIENTIFIC, AND CURATORIAL PURPOSES. EACH OF THE ITEMS IS CATALOGED, PRESERVED, AND CARED FOR, AND ACTIVITIES VERIFYING THEIR EXISTENCE AND ASSESSING THEIR CONDITION ARE PERFORMED CONTINUOUSLY. THE COLLECTIONS ARE SUBJECT TO A POLICY THAT REQUIRES PROCEEDS FROM THEIR SALES TO BE USED TO ACQUIRE OTHER ITEMS FOR COLLECTIONS. CONTRIBUTED COLLECTION ITEMS ARE NOT REFLECTED IN THE FINANCIAL STATEMENTS. PROCEEDS FROM DEACCESSIONS OR INSURANCE RECOVERIES ARE REFLECTED AS INCREASES IN THE APPROPRIATE NET ASSET CLASSES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART III, LINE 4 - THE ORGANIZATION'S COLLECTIONS ARE MADE UP OF ARTIFACTS OF HISTORICAL SIGNIFICANCE, SCIENTIFIC SPECIMENS, AND ART OBJECTS THAT ARE HELD FOR EDUCATIONAL, RESEARCH, SCIENTIFIC, AND CURATORIAL PURPOSES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM'S ENDOWMENT WAS ESTABLISHED TO PROVIDE DISCRETIONARY OPERATING INCOME AND FUNDING FOR THE RESTORATION AND MAINTENANCE OF COLLECTION ITEMS. THE ENDOWMENT INCLUDES DONOR-RESTRICTED FUNDS AND UNRESTRICTED NET ASSETS DESIGNATED FOR ENDOWMENT BY THE MUSEUM'S BOARD OF TRUSTEES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM IS ORGANIZED AS A COLORADO NONPROFIT CORPORATION AND HAS BEEN RECOGNIZED BY THE INTERNAL REVENUE SERVICE (IRS) AS EXEMPT FROM FEDERAL INCOME TAXES UNDER SECTION 501(A) OF THE INTERNAL REVENUE CODE AS AN ORGANIZATION DESCRIBED IN SECTION 501(C)(3), QUALIFIES FOR THE CHARITABLE CONTRIBUTION DEDUCTION, AND HAS BEEN DETERMINED NOT TO BE A PRIVATE FOUNDATION. THE MUSEUM IS REQUIRED TO ANNUALLY FILE A RETURN OF ORGANIZATION EXEMPT FROM INCOME TAX (FORM 990) WITH THE IRS. IN ADDITION, THE MUSEUM IS SUBJECT TO INCOME TAX ON NET INCOME THAT IS DERIVED FROM BUSINESS ACTIVITIES THAT ARE UNRELATED TO ITS EXEMPT PURPOSE. THE MUSEUM HAS DETERMINED IT IS NOT SUBJECT TO UNRELATED BUSINESS INCOME TAX AND HAS NOT FILED AN EXEMPT ORGANIZATION BUSINESS INCOME TAX RETURN (FORM 990-T) WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DOES NOT HAVE ANY COMMITTEES WITH THE AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTOR PERFORMS AN INITIAL REVIEW OF THE 990 DRAFT AND THEN REVIEWS THE FINAL COMPLETED 990 WITH THE BOARD OF DIRECTORS BEFORE FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL TRUSTEES AND EMPLOYEES ARE REQUIRED TO SIGN A STATEMENT ANNUALLY DISCLOSING WHETHER OR NOT THEY ARE IN A POSITION TO INFLUENCE A DECISION THAT MAY RESULT IN PERSONAL GAIN OR GAIN FOR A RELATED PARTY AS A RESULT OF THE BUSINESS DEALINGS OF THE ORGANIZATION. DISCLOSURE OF BUSINESS OWNERSHIP IN AN ENTITY WITH WHICH THE ORGANIZATION DOES BUSINESS IS ALSO A REQUIRED DISCLOSURE. TRUSTEES AND EMPLOYEES MUST IMMEDIATELY DISCLOSE THE EXISTENCE OF ANY ACTUAL OR POTENTIAL CONFLICT OF INTEREST TO AN OFFICER OF THE ORGANIZATION SO THAT SAFEGUARDS CAN BE ESTABLISHED TO PROTECT ALL PARTIES. IF CONFLICTS ARE DETERMINED, THE PERSON WITH THE CONFLICT MAY BE EXCLUDED FROM THE MEETING/DECISION AND WILL REFRAIN FROM VOTING ON THE MATTER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BUDGET COMMITTEE OF THE BOARD OF TRUSTEES CONDUCTS AN ANNUAL ANALYSIS OF THE EXECUTIVE DIRECTOR'S COMPENSATION PACKAGE BASED ON EXECUTIVE PERFORMANCE. THE ANALYSIS IS BASED ON COMPARABLE DATA FROM OTHER NON-PROFIT ORGANIZATIONS IN THE DENVER METRO AREA AS WELL AS ON THE AVAILABLE FUNDING OF THE ORGANIZATION. THE BUDGET COMMITTEE/BOARD WILL MEET AT THE END OF THE YEAR TO REVIEW THE COMPENSATION AMOUNT FOR THE EXECUTIVE DIRECTOR AND OTHER EMPLOYEES. THERE ARE NO OTHER OFFICERS OR KEY EMPLOYEES IN THE ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE GENERAL PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>COLLECTION ITEMS PURCHASED BUT NOT CAPITALIZED -48,061.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
