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            <BusinessNameLine1Txt>FORT WORTH INDEPENDENT SCHOOL DISTRICT</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>100 NORTH UNIVERSITY DRIVE</AddressLine1Txt>
            <CityNm>FORT WORTH</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>76107</ZIPCd>
          </RecipientUSAddress>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>TO COVER COSTS TO EXPAND AND IMPROVE THE SOUTH PARKING LOT AT FARRINGTON FIELD</GrantOrContributionPurposeTxt>
          <Amt>151642</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>SOUTHWESTERN EXPOSITON AND LIVESTOCK SHOW</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>PO BOX 150</AddressLine1Txt>
            <CityNm>FORT WORTH</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>76101</ZIPCd>
          </RecipientUSAddress>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>TO COVER COSTS TO EXPAND AND IMPROVE THE SOUTH PARKING LOT AT FARRINGTON FIELD.</GrantOrContributionPurposeTxt>
          <Amt>42088</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>206176</TotalGrantOrContriPdDurYrAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <FeesContractsFromGovtAgGrp />
        <MembershipDuesAndAssmntGrp />
        <IntOnSavAndTempCashInvstGrp />
        <DivAndIntFromSecPartVIIGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>337215</ExclusionAmt>
        </DivAndIntFromSecPartVIIGrp>
        <NetRntlIncmReDebtFincdPropGrp />
        <NetRntlIncmReNotDebtFincdProp />
        <NetRentalIncomePersonalPropGrp />
        <OtherInvestmentIncmPartVIIGrp />
        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>3418579</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <NetIncomeLossFromSpecialEvtGrp />
        <GrossProfitLossSlsOfInvntryGrp />
        <OtherRevenueDescribedGrp>
          <Desc>MISC. GAIN/LOSS ON INVESTMENTS</Desc>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>139</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>DEFERRED TAXES</Desc>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>1688</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <SubtotalsIncmProducingActyGrp>
          <ExclusionAmt>3757621</ExclusionAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>3757621</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>false</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>false</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>false</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>false</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>false</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>false</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>false</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>false</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <AccountingFeesSchedule documentId="AccountingFeesSch">
      <AccountingFeesDetail>
        <CategoryTxt>AUDIT/TAX REVIEW</CategoryTxt>
        <Amt>16016</Amt>
        <NetInvestmentIncomeAmt>4004</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>11973</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <DepreciationSchedule documentId="DepreciationSch" />
    <InvestmentsCorpStockSchedule documentId="InvestCorpStockSch">
      <InvestmentsCorporateStockGrp>
        <StockNm>ABBVIE INC</StockNm>
        <EOYBookValueAmt>342880</EOYBookValueAmt>
        <EOYFMVAmt>342880</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ADOBE INC</StockNm>
        <EOYBookValueAmt>550132</EOYBookValueAmt>
        <EOYFMVAmt>550132</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>AIR PRODUCTS &amp; CHEMICALS INC</StockNm>
        <EOYBookValueAmt>393437</EOYBookValueAmt>
        <EOYFMVAmt>393437</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>AKAMAI TECHNOLOGIES INC</StockNm>
        <EOYBookValueAmt>335968</EOYBookValueAmt>
        <EOYFMVAmt>335968</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ALPHABET INC</StockNm>
        <EOYBookValueAmt>280422</EOYBookValueAmt>
        <EOYFMVAmt>280422</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>AMAZON.COM INC</StockNm>
        <EOYBookValueAmt>781663</EOYBookValueAmt>
        <EOYFMVAmt>781663</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>AMGEN INC</StockNm>
        <EOYBookValueAmt>275904</EOYBookValueAmt>
        <EOYFMVAmt>275904</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>APPLE INC</StockNm>
        <EOYBookValueAmt>684680</EOYBookValueAmt>
        <EOYFMVAmt>684680</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>BANK OF AMERICA CORP</StockNm>
        <EOYBookValueAmt>315072</EOYBookValueAmt>
        <EOYFMVAmt>315072</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>CABOT OIL &amp; GAS CORP</StockNm>
        <EOYBookValueAmt>325600</EOYBookValueAmt>
        <EOYFMVAmt>325600</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>CINTAS CORP</StockNm>
        <EOYBookValueAmt>615020</EOYBookValueAmt>
        <EOYFMVAmt>615020</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>COCA-COLA CO</StockNm>
        <EOYBookValueAmt>254183</EOYBookValueAmt>
        <EOYFMVAmt>254183</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>COMERICA INC</StockNm>
        <EOYBookValueAmt>223440</EOYBookValueAmt>
        <EOYFMVAmt>223440</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>CONOCOPHILLIPS</StockNm>
        <EOYBookValueAmt>127968</EOYBookValueAmt>
        <EOYFMVAmt>127968</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>CULLEN FROST BANKERS INC</StockNm>
        <EOYBookValueAmt>418704</EOYBookValueAmt>
        <EOYFMVAmt>418704</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>DANAHER CORP</StockNm>
        <EOYBookValueAmt>888560</EOYBookValueAmt>
        <EOYFMVAmt>888560</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ECOLAB INC</StockNm>
        <EOYBookValueAmt>475992</EOYBookValueAmt>
        <EOYFMVAmt>475992</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>FACEBOOK INC</StockNm>
        <EOYBookValueAmt>195310</EOYBookValueAmt>
        <EOYFMVAmt>195310</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>FMC CORP</StockNm>
        <EOYBookValueAmt>551664</EOYBookValueAmt>
        <EOYFMVAmt>551664</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>FRANKLIN ELECTRIC CO INC</StockNm>
        <EOYBookValueAmt>276840</EOYBookValueAmt>
        <EOYFMVAmt>276840</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>GLACIER BANCORP</StockNm>
        <EOYBookValueAmt>478274</EOYBookValueAmt>
        <EOYFMVAmt>478274</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>HOME DEPOT INC</StockNm>
        <EOYBookValueAmt>274917</EOYBookValueAmt>
        <EOYFMVAmt>274917</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>HONEYWELL INTERNATIONAL</StockNm>
        <EOYBookValueAmt>595560</EOYBookValueAmt>
        <EOYFMVAmt>595560</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>IDEX CORP</StockNm>
        <EOYBookValueAmt>288840</EOYBookValueAmt>
        <EOYFMVAmt>288840</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>JOHNSON &amp; JOHNSON</StockNm>
        <EOYBookValueAmt>251808</EOYBookValueAmt>
        <EOYFMVAmt>251808</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>JPMORGAN CHASE &amp; CO.</StockNm>
        <EOYBookValueAmt>274471</EOYBookValueAmt>
        <EOYFMVAmt>274471</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>KIMBERLY-CLARK CORP</StockNm>
        <EOYBookValueAmt>322918</EOYBookValueAmt>
        <EOYFMVAmt>322918</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>MARTIN MARIETTA MATERIALS INC</StockNm>
        <EOYBookValueAmt>681528</EOYBookValueAmt>
        <EOYFMVAmt>681528</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>MERCK &amp; CO INC</StockNm>
        <EOYBookValueAmt>207772</EOYBookValueAmt>
        <EOYFMVAmt>207772</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>MICROSOFT CORP</StockNm>
        <EOYBookValueAmt>1067616</EOYBookValueAmt>
        <EOYFMVAmt>1067616</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>MONDELEZ INTERNATIONAL INC-A</StockNm>
        <EOYBookValueAmt>336495</EOYBookValueAmt>
        <EOYFMVAmt>336495</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>NATIONAL INSTRUMENTS CORP</StockNm>
        <EOYBookValueAmt>140608</EOYBookValueAmt>
        <EOYFMVAmt>140608</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>NEWMONT CORP</StockNm>
        <EOYBookValueAmt>239560</EOYBookValueAmt>
        <EOYFMVAmt>239560</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ORACLE CORP</StockNm>
        <EOYBookValueAmt>342857</EOYBookValueAmt>
        <EOYFMVAmt>342857</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>PAYPAL HOLDINGS INC</StockNm>
        <EOYBookValueAmt>706113</EOYBookValueAmt>
        <EOYFMVAmt>706113</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>PEPISCO INC</StockNm>
        <EOYBookValueAmt>355179</EOYBookValueAmt>
        <EOYFMVAmt>355179</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>PERKINELMER INC</StockNm>
        <EOYBookValueAmt>918400</EOYBookValueAmt>
        <EOYFMVAmt>918400</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>PFIZER INC</StockNm>
        <EOYBookValueAmt>441536</EOYBookValueAmt>
        <EOYFMVAmt>441536</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>PROCTOR &amp; GAMBLE CO</StockNm>
        <EOYBookValueAmt>445248</EOYBookValueAmt>
        <EOYFMVAmt>445248</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ROPER TECHNOLOGIES INC</StockNm>
        <EOYBookValueAmt>683278</EOYBookValueAmt>
        <EOYFMVAmt>683278</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>STRYKER CORP</StockNm>
        <EOYBookValueAmt>502332</EOYBookValueAmt>
        <EOYFMVAmt>502332</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>THERMO FISHER SCIENTIFIC INC</StockNm>
        <EOYBookValueAmt>1117872</EOYBookValueAmt>
        <EOYFMVAmt>1117872</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>TORO CO</StockNm>
        <EOYBookValueAmt>379360</EOYBookValueAmt>
        <EOYFMVAmt>379360</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>TRACTOR SUPPLY CO</StockNm>
        <EOYBookValueAmt>449153</EOYBookValueAmt>
        <EOYFMVAmt>449153</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>TRIMBLE INC</StockNm>
        <EOYBookValueAmt>534160</EOYBookValueAmt>
        <EOYFMVAmt>534160</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>UNION PACIFIC CORP</StockNm>
        <EOYBookValueAmt>666304</EOYBookValueAmt>
        <EOYFMVAmt>666304</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>US BANCORP</StockNm>
        <EOYBookValueAmt>372720</EOYBookValueAmt>
        <EOYFMVAmt>372720</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>VALMONT INDUSTRIES</StockNm>
        <EOYBookValueAmt>335866</EOYBookValueAmt>
        <EOYFMVAmt>335866</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>VF CORP</StockNm>
        <EOYBookValueAmt>477869</EOYBookValueAmt>
        <EOYFMVAmt>477869</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>XYLEM INC</StockNm>
        <EOYBookValueAmt>254475</EOYBookValueAmt>
        <EOYFMVAmt>254475</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ZOETIS INC</StockNm>
        <EOYBookValueAmt>397200</EOYBookValueAmt>
        <EOYFMVAmt>397200</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ALCON INC</StockNm>
        <EOYBookValueAmt>230930</EOYBookValueAmt>
        <EOYFMVAmt>230930</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>WASTE CONNECTIONS</StockNm>
        <EOYBookValueAmt>430794</EOYBookValueAmt>
        <EOYFMVAmt>430794</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
    </InvestmentsCorpStockSchedule>
    <InvestmentsOtherSchedule2 documentId="InvOtherSch2">
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>JPMORGAN U.S GOVT MONEY MARKET</CategoryOrItemTxt>
        <BookValueAmt>6401506</BookValueAmt>
        <EOYFMVAmt>6401506</EOYFMVAmt>
      </InvestmentsOtherGrp>
    </InvestmentsOtherSchedule2>
    <OtherDecreasesSchedule documentId="OtherDecreasesSch">
      <OtherDecreasesDetail>
        <Desc>UNREALIZED LOSS ON INVESTMENTS</Desc>
        <Amt>121421</Amt>
      </OtherDecreasesDetail>
    </OtherDecreasesSchedule>
    <OtherExpensesSchedule documentId="OtherExpensesSch">
      <OtherExpensesScheduleGrp>
        <Desc>ADMINISTRATIVE</Desc>
        <RevenueAndExpensesPerBooksAmt>25000</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>6250</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>18750</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherIncomeSchedule2 documentId="OtherIncomeSch2">
      <OtherIncomeDetail>
        <Desc>MISC. GAIN/LOSS ON INVESTMENTS</Desc>
        <RevenueAndExpensesPerBooksAmt>139</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>139</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>deferred taxes</Desc>
        <RevenueAndExpensesPerBooksAmt>1688</RevenueAndExpensesPerBooksAmt>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
    <OtherLiabilitiesSchedule documentId="OtherLiabSch">
      <OtherLiabilitiesDetail>
        <Desc>DEFERRED TAXES PAYABLE</Desc>
        <BOYBookValueAmt>205781</BOYBookValueAmt>
        <EOYBookValueAmt>204094</EOYBookValueAmt>
      </OtherLiabilitiesDetail>
    </OtherLiabilitiesSchedule>
    <OtherProfessionalFeesSchedule documentId="OthProfFeesSch">
      <OtherProfessionalFeesDetail>
        <CategoryTxt>CUSTODIAL FEES</CategoryTxt>
        <Amt>7937</Amt>
        <NetInvestmentIncomeAmt>7937</NetInvestmentIncomeAmt>
      </OtherProfessionalFeesDetail>
      <OtherProfessionalFeesDetail>
        <CategoryTxt>INVESTMENT ADVISORY FEES</CategoryTxt>
        <Amt>69142</Amt>
        <NetInvestmentIncomeAmt>69142</NetInvestmentIncomeAmt>
      </OtherProfessionalFeesDetail>
    </OtherProfessionalFeesSchedule>
    <TaxesSchedule documentId="TaxesSchedule">
      <TaxesDetail>
        <CategoryTxt>EXCISE TAXES</CategoryTxt>
        <Amt>51034</Amt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>
