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        <ReportableCompFromOrgAmt>76791</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>19710</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>76791</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>19710</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <FundraisingAmt>25138</FundraisingAmt>
      <GovernmentGrantsAmt>11406</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>5611275</AllOtherContributionsAmt>
      <NoncashContributionsAmt>5294520</NoncashContributionsAmt>
      <TotalContributionsAmt>5647819</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>Program service fees</Desc>
        <BusinessCd>110000</BusinessCd>
        <TotalRevenueColumnAmt>106082</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>106082</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Conservation consulting</Desc>
        <BusinessCd>110000</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>93700</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Workshop fees</Desc>
        <BusinessCd>110000</BusinessCd>
        <TotalRevenueColumnAmt>2062</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2062</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>201844</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
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        <ExclusionAmt>14160</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>79972</SecuritiesAmt>
        <OtherAmt>410000</OtherAmt>
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      <LessCostOthBasisSalesExpnssGrp>
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      <NetIncmFromFundraisingEvtGrp>
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        <ExclusionAmt>-15320</ExclusionAmt>
      </NetIncmFromFundraisingEvtGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>5835926</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>201844</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>-13737</ExclusionAmt>
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      <CompCurrentOfcrDirectorsGrp>
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        <ProgramServicesAmt>60895</ProgramServicesAmt>
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        <FundraisingAmt>17848</FundraisingAmt>
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      <OtherSalariesAndWagesGrp>
        <TotalAmt>184670</TotalAmt>
        <ProgramServicesAmt>152870</ProgramServicesAmt>
        <ManagementAndGeneralAmt>15260</ManagementAndGeneralAmt>
        <FundraisingAmt>16540</FundraisingAmt>
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      <PensionPlanContributionsGrp>
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        <ProgramServicesAmt>2216</ProgramServicesAmt>
        <ManagementAndGeneralAmt>222</ManagementAndGeneralAmt>
        <FundraisingAmt>241</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>23088</TotalAmt>
        <ProgramServicesAmt>17568</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2703</ManagementAndGeneralAmt>
        <FundraisingAmt>2817</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>20276</TotalAmt>
        <ProgramServicesAmt>15428</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2374</ManagementAndGeneralAmt>
        <FundraisingAmt>2474</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>11308</TotalAmt>
        <ProgramServicesAmt>11308</ProgramServicesAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>41800</TotalAmt>
        <ManagementAndGeneralAmt>41800</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>2276</TotalAmt>
        <ManagementAndGeneralAmt>2276</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>2779</TotalAmt>
        <ProgramServicesAmt>368</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2411</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>19378</TotalAmt>
        <ProgramServicesAmt>1810</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7278</ManagementAndGeneralAmt>
        <FundraisingAmt>10290</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>20763</TotalAmt>
        <ProgramServicesAmt>18428</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1147</ManagementAndGeneralAmt>
        <FundraisingAmt>1188</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>13442</TotalAmt>
        <ProgramServicesAmt>10228</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1574</ManagementAndGeneralAmt>
        <FundraisingAmt>1640</FundraisingAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>7665</TotalAmt>
        <ProgramServicesAmt>7538</ProgramServicesAmt>
        <ManagementAndGeneralAmt>127</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>8159</TotalAmt>
        <ProgramServicesAmt>7395</ProgramServicesAmt>
        <ManagementAndGeneralAmt>591</ManagementAndGeneralAmt>
        <FundraisingAmt>173</FundraisingAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>2991</TotalAmt>
        <ProgramServicesAmt>2680</ProgramServicesAmt>
        <ManagementAndGeneralAmt>311</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>482</TotalAmt>
        <ManagementAndGeneralAmt>482</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
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        <ProgramServicesAmt>6021</ProgramServicesAmt>
        <ManagementAndGeneralAmt>927</ManagementAndGeneralAmt>
        <FundraisingAmt>966</FundraisingAmt>
      </InsuranceGrp>
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        <Desc>Conservation easements</Desc>
        <TotalAmt>5190000</TotalAmt>
        <ProgramServicesAmt>5190000</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Restoration and maint.</Desc>
        <TotalAmt>81230</TotalAmt>
        <ProgramServicesAmt>81230</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>Events and workshops</Desc>
        <TotalAmt>18386</TotalAmt>
        <ProgramServicesAmt>16428</ProgramServicesAmt>
        <FundraisingAmt>1958</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>Dues and memberships</Desc>
        <TotalAmt>4750</TotalAmt>
        <ProgramServicesAmt>4500</ProgramServicesAmt>
        <ManagementAndGeneralAmt>250</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>5606911</ProgramServicesAmt>
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        <FundraisingAmt>56135</FundraisingAmt>
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        <EOYAmt>66113</EOYAmt>
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        <EOYAmt>21576</EOYAmt>
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      <PledgesAndGrantsReceivableGrp>
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        <EOYAmt>9798</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
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        <EOYAmt>21450</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>5270</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>2618263</EOYAmt>
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        <EOYAmt>940489</EOYAmt>
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        <EOYAmt>3682959</EOYAmt>
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        <EOYAmt>71124</EOYAmt>
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        <EOYAmt>71124</EOYAmt>
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      <DonorRestrictionNetAssetsGrp>
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        <EOYAmt>1812314</EOYAmt>
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        <EOYAmt>3611835</EOYAmt>
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        <EOYAmt>3682959</EOYAmt>
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      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>75389</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>70345</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>-411480</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
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        <CurrentTaxYearMinus1YearAmt>343273</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>463489</CurrentTaxYearAmt>
        <TotalAmt>6208437</TotalAmt>
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      <SubstantialContributorsTotAmt>575479</SubstantialContributorsTotAmt>
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        <CurrentTaxYearMinus2YearsAmt>11827</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10664</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>14160</CurrentTaxYearAmt>
        <TotalAmt>56678</TotalAmt>
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      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>Schedule A, Part VI, List of Unusual Grants:</FormAndLineReferenceDesc>
        <ExplanationTxt>Description: Conservation easement Date: 12/30/21 Amount: 5100000. Description: Conservation easement Date: 02/28/23 Amount: 3180000. Description: Conservation easement Date: 05/16/23 Amount: 2010000.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
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          <AddressLine2>RESTRICTED</AddressLine2>
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          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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      <StatesEasementsHeldCnt>1</StatesEasementsHeldCnt>
      <WrittenPolicyMonitoringInd>1</WrittenPolicyMonitoringInd>
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        <ContributionsAmt>531225</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>61665</InvestmentEarningsOrLossesAmt>
        <AdministrativeExpensesAmt>5415</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>1063042</EndYearBalanceAmt>
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        <ContributionsAmt>52191</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>-65208</InvestmentEarningsOrLossesAmt>
        <AdministrativeExpensesAmt>56815</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>475567</EndYearBalanceAmt>
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        <ContributionsAmt>87300</ContributionsAmt>
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        <AdministrativeExpensesAmt>25030</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>545399</EndYearBalanceAmt>
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        <ContributionsAmt>75406</ContributionsAmt>
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        <AdministrativeExpensesAmt>47800</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>428804</EndYearBalanceAmt>
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        <AdministrativeExpensesAmt>1208</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>349046</EndYearBalanceAmt>
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      <BoardDesignatedBalanceEOYPct>0.18571</BoardDesignatedBalanceEOYPct>
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      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
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        <BookValueAmt>2611566</BookValueAmt>
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        <BookValueAmt>5937</BookValueAmt>
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        <DepreciationAmt>26453</DepreciationAmt>
        <BookValueAmt>760</BookValueAmt>
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      <RevenueNotReportedFinclStmtAmt>2276</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>5835926</TotalRevenuePerForm990Amt>
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      <ExpensesSubtotalAmt>5758261</ExpensesSubtotalAmt>
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      <TotalExpensesPerForm990Amt>5760537</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part II, Line 5:</FormAndLineReferenceDesc>
        <ExplanationTxt>The policy identifies easements with higher risks for violations and instructs more thorough monitoring standards, based on certain conditions. Staff, interns, volunteers, and Land Committee members may be monitors and may use either aerial monitoring, or ground monitoring by foot or by horse. The policy also identifies what will be monitored and outlines all necessary documentation for monitoring.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part II, Line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>In conformity with the practice followed by public land trusts, the Trust's conservation easements purchased or donated are not recorded as assets in the statement of financial position. The Trust believes the conservation easements do not have a future economic benefit as the property interest held by the Trust provides no affirmative rights beyond the obligation to monitor and enforce the terms of the easements. Contributed conservation easements are recognized as revenue and as land conservation expense at fair value in the statement of activities when an unconditional commitment is received from the donor. Easement fair values have been determined by independent third-party appraisals at the time the easement is secured. The Trust monitors these easements in the normal course of its operations and associated costs are expensed as incurred.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part V, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>Green Spaces includes both board-designated and donor-restricted endowment funds to provide support for its conservation programs. These funds have been established to provide a long-term, ongoing source of income to cover the annual cost associated with monitoring and managing Green Spaces' conservation easements or fee simple property and to be available to cover extraordinary expenses associated with managing and defending an easement or fee simple property.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Impairment loss 411,480.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
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      <FundraisingEventInformationGrp>
        <Event1Nm>Nature Fest</Event1Nm>
        <GrossReceiptsEvent1Amt>26800</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>25138</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>1662</GrossRevenueEvent1Amt>
        <FoodAndBeverageEvent1Amt>47</FoodAndBeverageEvent1Amt>
        <EntertainmentEvent1Amt>2441</EntertainmentEvent1Amt>
        <OtherDirectExpensesEvent1Amt>14494</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>26800</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>25138</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>1662</GrossRevenueTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>47</FoodAndBeverageTotalEventsAmt>
        <EntertainmentTotalEventsAmt>2441</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>14494</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>16982</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-15320</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleM documentId="RetDoc1042900001">
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        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>104520</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>NYSE</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <RealEstateOtherGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>2</ContributionCnt>
        <NoncashContributionsRptF990Amt>5190000</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Appraisal FMV</MethodOfDeterminingRevenuesTxt>
      </RealEstateOtherGrp>
      <Form8283ReceivedCnt>0</Form8283ReceivedCnt>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>A copy of the Form 990 is provided to each board member for their review prior to filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>The conflict of interest policy covers board members, staff, others who have the ability to influence decisions of the organization, and others with access to information not available to the public (such as volunteers, contractors, etc.). Those that are deemed to have a conflict of interest must declare so to the board of directors and abstain from any board/committee actions. All relationships and transaction details are appropriately documented, reviewed by the board, who has final determination of the nature and magnitude of the conflict of interest. At the board's request, anyone with a conflict of interest may be required to take a temporary leave of absence, if necessary, to avoid any such conflicts.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>Each year, in association with budget preparation, the executive committee is provided a statement of staff salaries and benefits for the committee's information and use in determining the remuneration packages for the Chief Executive Officer and his staff.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Impairment loss -411,480.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>