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      <FeesForServicesAccountingGrp>
        <TotalAmt>14741</TotalAmt>
        <ManagementAndGeneralAmt>14741</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesProfFundraising>
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      </FeesForServicesProfFundraising>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>0</TotalAmt>
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      <FeesForServicesOtherGrp>
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      <AdvertisingGrp>
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        <ManagementAndGeneralAmt>2678</ManagementAndGeneralAmt>
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      <InformationTechnologyGrp>
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      <RoyaltiesGrp>
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        <ProgramServicesAmt>73374</ProgramServicesAmt>
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      <TravelGrp>
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      <PymtTravelEntrtnmntPubOfclGrp>
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      <ConferencesMeetingsGrp>
        <TotalAmt>0</TotalAmt>
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      <InterestGrp>
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      <PaymentsToAffiliatesGrp>
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        <ProgramServicesAmt>20625</ProgramServicesAmt>
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      <InsuranceGrp>
        <TotalAmt>19050</TotalAmt>
        <ProgramServicesAmt>19050</ProgramServicesAmt>
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        <TotalAmt>10074</TotalAmt>
        <ProgramServicesAmt>10074</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>Supplies</Desc>
        <TotalAmt>9384</TotalAmt>
        <ProgramServicesAmt>9384</ProgramServicesAmt>
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      <AllOtherExpensesGrp>
        <TotalAmt>0</TotalAmt>
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        <ProgramServicesAmt>257395</ProgramServicesAmt>
        <ManagementAndGeneralAmt>17419</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
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        <BOYAmt>83079</BOYAmt>
        <EOYAmt>150660</EOYAmt>
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      <SavingsAndTempCashInvstGrp>
        <BOYAmt>102427</BOYAmt>
        <EOYAmt>102550</EOYAmt>
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      <PledgesAndGrantsReceivableGrp>
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        <EOYAmt>36435</EOYAmt>
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      <ReceivablesFromOfficersEtcGrp>
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      <RcvblFromDisqualifiedPrsnGrp>
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      <OthNotesLoansReceivableNetGrp>
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      <InventoriesForSaleOrUseGrp>
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        <EOYAmt>16727</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>6325</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>612457</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>338462</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
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        <EOYAmt>273995</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
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      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <InvestmentsProgramRelatedGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <IntangibleAssetsGrp>
        <EOYAmt>0</EOYAmt>
      </IntangibleAssetsGrp>
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        <EOYAmt>2</EOYAmt>
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        <BOYAmt>473934</BOYAmt>
        <EOYAmt>586694</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>5602</EOYAmt>
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      <TotalLiabilitiesGrp>
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        <EOYAmt>5602</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
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        <EOYAmt>581092</EOYAmt>
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        <EOYAmt>581092</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>473934</BOYAmt>
        <EOYAmt>586694</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>109389</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>true</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </AcctCompileOrReviewBasisGrp>
      <FSAuditedInd>false</FSAuditedInd>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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      <ContributorInformationGrp>
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        <ContributorBusinessName>
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        </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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      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>6500</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>4321</DepreciationAmt>
        <BookValueAmt>2179</BookValueAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>319721</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>90649</DepreciationAmt>
        <BookValueAmt>229072</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>286236</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>243492</DepreciationAmt>
        <BookValueAmt>42744</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>273995</TotalBookValueLandBuildingsAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="22015553" softwareVersionNum="2022v5.0">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>Alice Brown Hodges, Governor, is the niece of Katharine Brown, Secretary.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>The members represent people from the State of Maine and across the country vacationing in the Winter Harbor, Maine area that pay membership dues in order to help maintain and upkeep the Club's facilities and equipment. As a result of paying those membership dues, the members are allowed to use the Club's facilities for the purpose of social interaction and fellowship.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Treasurer reviews the 990 before it is signed and filed. The governing body members are spread throughout the United States, making it difficult to have them review the 990 before it is filed. The Club makes every attempt to get the 990 filed timely. Once the 990 is completed, a copy is sent to all officers for their review. If they have any questions, they contact the Treasurer, who in turn answers the question or gets an answer to the question.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Upon request, copies of the documents will be supplied to the public.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Grindstone Association</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>PO Box 12</AddressLine1Txt>
          <CityNm>Winter Harbor</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04693</ZIPCd>
        </USAddress>
        <EIN>010202445</EIN>
        <PrimaryActivitiesTxt>Social Club</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>ME</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>7</ExemptCodeSectionTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>true</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Grindstone Association</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>j</TransactionTypeTxt>
        <InvolvedAmt>1</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Nominal</MethodOfAmountDeterminationTxt>
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