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        <ProgramServicesAmt>11134</ProgramServicesAmt>
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      <TravelGrp>
        <TotalAmt>3803</TotalAmt>
        <ProgramServicesAmt>3803</ProgramServicesAmt>
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      <DepreciationDepletionGrp>
        <TotalAmt>659</TotalAmt>
        <ProgramServicesAmt>659</ProgramServicesAmt>
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        <TotalAmt>13227</TotalAmt>
        <ProgramServicesAmt>13227</ProgramServicesAmt>
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        <Desc>FUNDRAISING EXPENSE</Desc>
        <TotalAmt>29912</TotalAmt>
        <FundraisingAmt>29912</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>COLLECTION AND EXHIBIT</Desc>
        <TotalAmt>20400</TotalAmt>
        <ProgramServicesAmt>20400</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>MATERIALS AND SUPPLIES</Desc>
        <TotalAmt>19997</TotalAmt>
        <ProgramServicesAmt>19997</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>CURATOR'S MISCELLANEOUS</Desc>
        <TotalAmt>13048</TotalAmt>
        <ProgramServicesAmt>13048</ProgramServicesAmt>
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      <AllOtherExpensesGrp>
        <TotalAmt>17236</TotalAmt>
        <ProgramServicesAmt>13859</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2199</ManagementAndGeneralAmt>
        <FundraisingAmt>1178</FundraisingAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>435541</TotalAmt>
        <ProgramServicesAmt>287944</ProgramServicesAmt>
        <ManagementAndGeneralAmt>71540</ManagementAndGeneralAmt>
        <FundraisingAmt>76057</FundraisingAmt>
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        <EOYAmt>143364</EOYAmt>
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        <EOYAmt>353876</EOYAmt>
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      <PledgesAndGrantsReceivableGrp>
        <EOYAmt>1429163</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>4351708</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>659</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>4351049</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>9781088</EOYAmt>
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        <BOYAmt>11593146</BOYAmt>
        <EOYAmt>16173871</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>958276</EOYAmt>
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        <BOYAmt>0</BOYAmt>
        <EOYAmt>139827</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>11257</BOYAmt>
        <EOYAmt>1098103</EOYAmt>
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      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
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        <EOYAmt>4940804</EOYAmt>
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      <TemporarilyRstrNetAssetsGrp>
        <EOYAmt>10134964</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>11581889</BOYAmt>
        <EOYAmt>15075768</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>11593146</BOYAmt>
        <EOYAmt>16173871</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>2005141</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>90260</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>1398478</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>0</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus2YearsAmt>257071</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>6000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>214075</CurrentTaxYearAmt>
        <TotalAmt>477146</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus2YearsAmt>257071</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>6000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>214075</CurrentTaxYearAmt>
        <TotalAmt>477146</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>477146</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus2YearsAmt>311</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4410</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>194146</CurrentTaxYearAmt>
        <TotalAmt>198867</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearAmt>54037</CurrentTaxYearAmt>
        <TotalAmt>54037</TotalAmt>
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      <TotalSupportAmt>730050</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>192171</GrossReceiptsRltdActivitiesAmt>
      <First5Years170Ind>X</First5Years170Ind>
      <Form990ScheduleAPartIVGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>NET GAIN ON SALE OF SECURITIES - 2013 AMOUNT: $ 54,037.</ExplanationTxt>
      </Form990ScheduleAPartIVGrp>
      <Form990ScheduleAPartIVGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 1, EXPLANATION OF UNUSUAL GRANTS</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION RECEIVED UNUSUAL GRANTS OF $1,878,809 DURING THE YEAR. THESE GRANTS WERE RECEIVED FROM VARIOUS INDIVIDUALS AND ENTITIES AS PART OF A BUILDING CAMPAIGN TO RAISE FUNDS TO COMPLETE THE CONSTRUCTION OF A NEW MUSEUM FACILITY.</ExplanationTxt>
      </Form990ScheduleAPartIVGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
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      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <SolicitedAssetsSaleInd>0</SolicitedAssetsSaleInd>
      <LandGrp>
        <InvestmentCostOrOtherBasisAmt>164705</InvestmentCostOrOtherBasisAmt>
        <BookValueAmt>164705</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <InvestmentCostOrOtherBasisAmt>4179979</InvestmentCostOrOtherBasisAmt>
        <DepreciationAmt>482</DepreciationAmt>
        <BookValueAmt>4179497</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <InvestmentCostOrOtherBasisAmt>630</InvestmentCostOrOtherBasisAmt>
        <DepreciationAmt>63</DepreciationAmt>
        <BookValueAmt>567</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <InvestmentCostOrOtherBasisAmt>6394</InvestmentCostOrOtherBasisAmt>
        <DepreciationAmt>114</DepreciationAmt>
        <BookValueAmt>6280</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>4351049</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO RELATED PARTY</Desc>
        <Amt>139827</Amt>
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      <TotalLiabilityAmt>139827</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM'S COLLECTIONS ARE MADE UP OF THE FURNITURE, FURNISHINGS, INDIAN &amp; WESTERN JEWELRY, PAINTINGS, OBJECTS OF ART, AS WELL AS MACHINERY AND EQUIPMENT THAT WAS AT THE RANCH ON THE DATE OF HELEN BRINTON'S DEATH, AS WELL AS ADDITIONAL ART AND INDIAN ARTIFACTS THAT HAVE BEEN ACQUIRED BY THE MEMORIAL AND THE MUSEUM. 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 NOT RECOGNIZED AS ASSETS ON THE STATEMENT OF FINANCIAL POSITION. THE COLLECTIONS ARE SUBJECT TO A POLICY THAT REQUIRES PROCEEDS FROM THEIR SALE TO BE USED TO ACQUIRE OTHER ITEMS FOR COLLECTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM'S MISSION IS TO PRESERVE, MAINTAIN AND INTERPRET THE FORMER BRADFORD BRINTON MEMORIAL'S HOLDINGS (INCLUDING THE LAND), WHILE COLLECTING WORK WHICH EXPANDS, AUGMENTS AND ENHANCES THIS COLLECTION. COLLECTING EMPHASIS IS PLACED ON NATIVE AMERICAN ARTS AND CRAFTS AS WELL AS FINE AND DECORATIVE ART RELATING TO THE LATE 19TH, 20TH AND 21ST CENTURIES. AN EMPHASIS IS PLACED ON ART AND ARTISTS WHO DEPICTED THE WEST DURING THOSE PERIODS. THE MUSEUM SEEKS TO CARRY ON BRADFORD BRINTON'S TRADITION OF PROMOTING LOCAL ARTISTS OF HIGH ARTISTIC ACHIEVEMENT WHILE PLACING A SPECIAL EMPHASIS UPON BEING FIRST AND FOREMOST A TEACHING INSTITUTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM IS EXEMPT FROM INCOME TAXES UNDER INTERNAL REVENUE CODE SECTION 501(C)(3) AND FILES FORM 990 ANNUALLY. THE STATUTE OF LIMITATIONS FOR FEDERAL INCOME TAX RETURNS IS THREE YEARS FROM THE DATE THE RETURN IS FILED. THUS, THE RETURNS FOR THE MUSEUM FOR THE YEARS ENDED DECEMBER 31, 2011 (INITIAL RETURN) THROUGH 2013 COULD BE SUBJECT TO EXAMINATION BY THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
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        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>0</NoncashContributionsRptF990Amt>
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      <BooksAndPublicationsGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <NoncashContributionsRptF990Amt>0</NoncashContributionsRptF990Amt>
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        <ContributionCnt>7</ContributionCnt>
        <NoncashContributionsRptF990Amt>1483991</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>MARKET QUOTATIONS</MethodOfDeterminingRevenuesTxt>
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        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>0</NoncashContributionsRptF990Amt>
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      <HistoricalArtifactsGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>100</ContributionCnt>
        <NoncashContributionsRptF990Amt>0</NoncashContributionsRptF990Amt>
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      <ReviewProcessUnusualNCGiftsInd>0</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>1</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 32B:</FormAndLineReferenceDesc>
        <ExplanationTxt>CONTRIBUTIONS OF PUBLICLY TRADED SECURITIES ARE TRANSFERED DIRECTLY FROM THE DONOR TO AN ACCOUNT HELD BY THE ORGANIZATION AT AN INDEPENDENT BROKERAGE FRIM. THE SECURITIES ARE SOLD IMMEDIATELY AND PROCEEDS ARE INVESTED IN ACCORDANCE WITH THE ORGANIZATION'S INVESTMENT STRATEGY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 33:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM'S COLLECTIONS ARE MADE UP OF THE FURNITURE, FURNISHINGS, INDIAN &amp; WESTERN JEWELRY, PAINTINGS, OBJECTS OF ART, AS WELL AS MACHINERY AND EQUIPMENT THAT WAS AT THE RANCH ON THE DATE OF HELEN BRINTON'S DEATH, AS WELL AS ADDITIONAL ART AND INDIAN ARTIFACTS THAT HAVE BEEN ACQUIRED BY THE MEMORIAL AND THE MUSEUM. 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 NOT RECOGNIZED AS ASSETS ON THE STATEMENT OF FINANCIAL POSITION. THE COLLECTIONS ARE SUBJECT TO A POLICY THAT REQUIRES PROCEEDS FROM THEIR SALE TO BE USED TO ACQUIRE OTHER ITEMS FOR COLLECTIONS.</ExplanationTxt>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>ADRIENNE B MARS IS FORREST E MARS JR'S SISTER-IN-LAW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S POLICY IS TO HAVE THE 990 REVIEWED BY SEVERAL BOARD MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS AVAILABLE UPON REQUEST AND ALSO AVAILABLE ONLINE VIA GUIDESTAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>AVAILABLE UP REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCRUAL TO CASH ADJUSTMENT 1,398,478.</ExplanationTxt>
      </SupplementalInformationDetail>
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          <AddressLine1>PO BOX 460</AddressLine1>
          <City>BIG HORN</City>
          <State>WY</State>
          <ZIPCode>82833</ZIPCode>
        </USAddress>
        <EIN>367353418</EIN>
        <PrimaryActivitiesTxt>MAINTAIN THE OPERATING ASSETS OF A MUSEUM</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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        <PublicCharityStatusTxt>N/A</PublicCharityStatusTxt>
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      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
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      <AssetPurchaseFromOtherOrgInd>1</AssetPurchaseFromOtherOrgInd>
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      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
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      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
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      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
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      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
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        <OtherOrganizationName>
          <BusinessNameLine1>THE BRADFORD BRINTON MEMORIAL</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>H</TransactionTypeTxt>
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        <MethodOfAmountDeterminationTxt>COST BASIS OF INVENTORY PURCHASED</MethodOfAmountDeterminationTxt>
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      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>THE BRADFORD BRINTON MEMORIAL</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>N</TransactionTypeTxt>
        <InvolvedAmt>0</InvolvedAmt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1>THE BRADFORD BRINTON MEMORIAL</BusinessNameLine1>
        </OtherOrganizationName>
        <TransactionTypeTxt>P</TransactionTypeTxt>
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      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>