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      <FederalGrantAuditPerformedInd>true</FederalGrantAuditPerformedInd>
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      <LandGrp>
        <OtherCostOrOtherBasisAmt>182366</OtherCostOrOtherBasisAmt>
        <BookValueAmt>182366</BookValueAmt>
      </LandGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>51528114</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>26016054</DepreciationAmt>
        <BookValueAmt>25512060</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>25694426</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>CUSTOMER DEPOSITS</Desc>
        <Amt>92715</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>92715</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>9096242</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>9096242</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>9096242</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>3041925</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>3041925</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>3041925</TotalExpensesPerForm990Amt>
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    <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>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>MISCELLANEOUS INCREASE 8,391</ExplanationTxt>
      </SupplementalInformationDetail>
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</Return>