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      <ConferencesMeetingsGrp>
        <TotalAmt>2055</TotalAmt>
        <ProgramServicesAmt>1541</ProgramServicesAmt>
        <ManagementAndGeneralAmt>206</ManagementAndGeneralAmt>
        <FundraisingAmt>308</FundraisingAmt>
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        <TotalAmt>1894</TotalAmt>
        <ProgramServicesAmt>1421</ProgramServicesAmt>
        <ManagementAndGeneralAmt>189</ManagementAndGeneralAmt>
        <FundraisingAmt>284</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>Publications</Desc>
        <TotalAmt>13600</TotalAmt>
        <ProgramServicesAmt>10200</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1360</ManagementAndGeneralAmt>
        <FundraisingAmt>2040</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>Bank and cc merchant fees</Desc>
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        <ProgramServicesAmt>2988</ProgramServicesAmt>
        <ManagementAndGeneralAmt>399</ManagementAndGeneralAmt>
        <FundraisingAmt>598</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>Postage</Desc>
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        <ManagementAndGeneralAmt>266</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>Telecommunications</Desc>
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        <ProgramServicesAmt>325</ProgramServicesAmt>
        <ManagementAndGeneralAmt>43</ManagementAndGeneralAmt>
        <FundraisingAmt>65</FundraisingAmt>
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      <AllOtherExpensesGrp>
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        <ProgramServicesAmt>1318</ProgramServicesAmt>
        <ManagementAndGeneralAmt>175</ManagementAndGeneralAmt>
        <FundraisingAmt>263</FundraisingAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>600872</TotalAmt>
        <ProgramServicesAmt>574502</ProgramServicesAmt>
        <ManagementAndGeneralAmt>10548</ManagementAndGeneralAmt>
        <FundraisingAmt>15822</FundraisingAmt>
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      <CashNonInterestBearingGrp>
        <BOYAmt>20710</BOYAmt>
        <EOYAmt>38135</EOYAmt>
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      <SavingsAndTempCashInvstGrp>
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        <EOYAmt>266530</EOYAmt>
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      <AccountsReceivableGrp>
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        <EOYAmt>9341</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>1170</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>2034</LandBldgEquipCostOrOtherBssAmt>
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      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>112608</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>18298</EOYAmt>
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      <OtherLiabilitiesGrp>
        <BOYAmt>55250</BOYAmt>
        <EOYAmt>45154</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>77214</BOYAmt>
        <EOYAmt>63452</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>102980</BOYAmt>
        <EOYAmt>251724</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <PermanentlyRstrNetAssetsGrp>
        <BOYAmt>104574</BOYAmt>
        <EOYAmt>112608</EOYAmt>
      </PermanentlyRstrNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>207554</BOYAmt>
        <EOYAmt>364332</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>284768</BOYAmt>
        <EOYAmt>427784</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>156778</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="990A">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>121946</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>228497</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>268548</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>347101</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>707038</CurrentTaxYearAmt>
        <TotalAmt>1673130</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>121946</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>228497</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>268548</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>347101</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>707038</CurrentTaxYearAmt>
        <TotalAmt>1673130</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>253269</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>1419861</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
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        <CurrentTaxYearMinus3YearsAmt>14040</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>6414</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>281</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>8559</CurrentTaxYearAmt>
        <TotalAmt>38047</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>2369</CurrentTaxYearMinus4YearsAmt>
        <TotalAmt>2369</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>1713546</TotalSupportAmt>
      <PublicSupportCY170Pct>0.82860</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.73780</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="990B">
      <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>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="990D">
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        <InvestmentEarningsOrLossesAmt>8034</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>112608</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
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        <InvestmentEarningsOrLossesAmt>-116</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>104574</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
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        <InvestmentEarningsOrLossesAmt>5940</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>104690</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>84624</BeginningYearBalanceAmt>
        <ContributionsAmt>500</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>13626</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>98750</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>76049</BeginningYearBalanceAmt>
        <ContributionsAmt>200</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>8375</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>84624</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <PrmnntEndowmentBalanceEOYPct>1.00000</PrmnntEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>true</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>false</EndowmentsHeldRelatedOrgInd>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>2034</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>2034</DepreciationAmt>
      </EquipmentGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED REVENUE</Desc>
        <Amt>45154</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>45154</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>757650</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>757650</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>757650</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>600872</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>600872</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>600872</TotalExpensesPerForm990Amt>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="990G">
      <FundraisingEventInformationGrp>
        <Event1Nm>Dinner</Event1Nm>
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        <GrossRevenueEvent1Amt>80468</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>38815</OtherDirectExpensesEvent1Amt>
        <Event2Nm>Other</Event2Nm>
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        <GrossRevenueEvent2Amt>400</GrossRevenueEvent2Amt>
        <GrossReceiptsTotalAmt>80868</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>80868</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>38815</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>38815</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>42053</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="990I">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Saguaro National Park</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>2700 N Kinney Road</AddressLine1Txt>
          <CityNm>Tucson</CityNm>
          <StateAbbreviationCd>AZ</StateAbbreviationCd>
          <ZIPCd>85743</ZIPCd>
        </USAddress>
        <CashGrantAmt>495390</CashGrantAmt>
        <ValuationMethodUsedDesc>CASH</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>General support</PurposeOfGrantTxt>
      </RecipientTable>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Monitoring procedures (Part I, line 2)</FormAndLineReferenceDesc>
        <ExplanationTxt>FOSNP CLOSELY MONITORS THE ACTIVITY OF THESE GRANT MONIES</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="990O">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 governing body review Part VI line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>The 990 is reviewed by the Treasurer and the Executive Committee prior to filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Conflict of interest policy compliance Part VI line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Board members are required to disclose any conflicts of interest as they may arise by the next board meeting.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing documents etc available to public Part VI line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>All governing documents and the 990 are available for public inspection upon request at the organizatons office.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>