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        <CurrentYearAmt>0</CurrentYearAmt>
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      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
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      <LandGrp>
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        <DepreciationAmt>1837013</DepreciationAmt>
        <BookValueAmt>8143852</BookValueAmt>
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        <BookValueAmt>58329</BookValueAmt>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>Antique vehicle is provided for public display and preservation.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>Management has evaluated the Foundation's tax positions and concluded that the Foundation's financial statements do not include any uncertain tax positions.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
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      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Special event expenses netted in audit revenue 20,299.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Direct fundraising event expenses 13,330.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Special event expenses netted in audit revenue 20,299.</ExplanationTxt>
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        <Event1Nm>Pinot on the Potomac</Event1Nm>
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        <NetIncomeSummaryAmt>-4202</NetIncomeSummaryAmt>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Heading, Item B- Amended Return</FormAndLineReferenceDesc>
        <ExplanationTxt>The 990 has been amended to reflect the final numbers from the audited financial statements completed after the original 990 was filed. Parts of the 990 that changed from the original filing: Parts I, III, IV, VIII, IX, X, XI and XII and Schedules A, B, C, D, and O</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part III, Statement of Program Service Accomplishments:</FormAndLineReferenceDesc>
        <ExplanationTxt>There's a special place in Maryland where students can dig in the dirt, take a hike, and catch an unbeatable glimpse of the Potomac. That place is the Alice Ferguson Foundation. We are proud to serve thousands of Pre-K-12 students each year as they interact with science, plants and animals about which many of them until now have only read. More than 8,000 students participate in our Bridging the Watershed program which takes students to national and state parks in the Potomac Watershed where they learn, hands-on, about how a watershed works and how to keep it clean. Another 10,000 volunteers participate in trash cleanups in Maryland, Virginia, and Washington DC. Each year, Alice Ferguson Foundation helps thousands of people connect with nature by milking a cow or cleaning a river bank. 2022 Impact: - Served 6,487 students through our environmental education programs - Reached 2,000+ community members through our cleanup initiative - Hosted 430 children and community members through on-site programs - Delivered professional development workshops to 200 teachers</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Per the Bylaws, Alice Ferguson Foundation is a member organization with an Annual Meeting. Members must be 18 years of age or older to vote at the Annual Meeting and Special Meetings. Only members in good standing at the time of such meeting(s) shall be entitled to vote. All questions and elections shall be decided by majority of members present.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Members meet annually to elect the Board of Directors and Officers of the organization.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Foundation's Articles and Bylaws may be amended by a majority vote of the members of the Foundation at any annual or special meeting, provided that the proposed changes have been included in the notice of the meeting.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The 990 was reviewed by the Executive Director and Controller prior to filing. After review, Form 990 is distributed in its entirety to all board members prior to its filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Board members, the Executive Director, and the Deputy Executive Director annually complete an affirmation of disclosure and compliance with the conflicts of interest policy. In addition, the Board of Directors at least annually discusses any issues or potential issues and stresses the importance of compliance with the policy.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>After review of the Executive Director salary data from comparable organizations in the geographical area, the Executive Committee of the Board of Directors of the Alice Ferguson Foundation (President, Vice President, Secretary, and Treasurer) makes a recommendation on the salary to the board as a whole, which then acts on the recommendation.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Governing documents and form 990s are available to the public upon request and can be provided in electronic or paper format.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Foundation's Audit Committee is responsible for the oversight of the audit and selection of the independent accountant.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
