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        <BookValueAmt>182366</BookValueAmt>
      </LandGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>44671970</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>24845949</DepreciationAmt>
        <BookValueAmt>19826021</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>20008387</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>OTHER LIABILITIES</Desc>
        <Amt>100801</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>100801</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>3598933</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>3598933</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>3598933</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>2955762</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>2955762</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>2955762</TotalExpensesPerForm990Amt>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS ELECT AND VOTE ON GOVERNING BODY</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>GENERAL MANAGER AND BOARD CHAIRMAN REVIEW THE TAX RETURN FOR ACCURACY AND ALL BOARD MEMBERS RECEIVE A COPY OF THE FORM 990 FOR THEIR REVIEW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION REQUIRES ANNUAL REVIEW AND UPDATING OF THE CONFLICT OF INTEREST POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL COMPANY RECORDS ARE ON FILE IN BRITTON, SD AND ARE AVAILABLE FOR REVIEW AT THE PUBLIC'S REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
