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        <PersonNm>DALE S BRYK</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
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        <PersonNm>GILMAN S BURKE</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
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        <PersonNm>JOHN CAHILL</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
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        <PersonNm>STEPHEN J CLEARMAN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
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        <PersonNm>JENNIFER CUNNINGHAM</PersonNm>
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        <PersonNm>LEA PAINE HIGHET</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
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        <PersonNm>PAUL J ELSTON</PersonNm>
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        <PersonNm>JOHN ERNST</PersonNm>
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        <PersonNm>JOSHUA GINSBERG</PersonNm>
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        <PersonNm>HOLLY HEGENER</PersonNm>
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        <PersonNm>SAMUEL G HUBER</PersonNm>
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        <PersonNm>SAMUEL W LAMBERT III</PersonNm>
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        <PersonNm>YUKI MOORE LAURENTI</PersonNm>
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        <PersonNm>W BARNABAS MCHENRY</PersonNm>
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        <PersonNm>KATHERINE O ROBERTS</PersonNm>
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        <PersonNm>ELIZABETH SMITH</PersonNm>
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        <PersonNm>PATRICIA F SULLIVAN</PersonNm>
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        <PersonNm>THOMAS WRIGHT</PersonNm>
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        <PersonNm>CHRISTOPHER ELLIMAN</PersonNm>
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        <PersonNm>PETER HOWELL</PersonNm>
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        <PersonNm>ROBERT K ANDERBERG</PersonNm>
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        <PersonNm>JOSEPH HOLLAND</PersonNm>
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        <PersonNm>SAMAYLA DEUTCH</PersonNm>
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        <PersonNm>TALLY BLUMBERG</PersonNm>
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        <PersonNm>ERIK KULLESEID</PersonNm>
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        <PersonNm>TERRENCE NOLAN</PersonNm>
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        <PersonNm>JENNIFER MELVILLE</PersonNm>
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        <PersonNm>NATE BERRY</PersonNm>
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        <PersonNm>RACHEL PIVNICK</PersonNm>
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        <PersonNm>JEFFREY LEJAVA</PersonNm>
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        <PersonNm>LORIJEANE MOODY</PersonNm>
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        <PersonNm>REBEKAH GERARD</PersonNm>
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        <PersonNm>LESLIE KANE SZYNAL</PersonNm>
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        <PersonNm>EILEEN LARABEE</PersonNm>
        <TitleTxt>ASSOC.DIR. ALLIANCE FOR NY STATE</TitleTxt>
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        <PersonNm>JOSEPH MARTENS</PersonNm>
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          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MOMBACCUS EXCAVATING INC</BusinessNameLine1Txt>
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            <StateAbbreviationCd>NY</StateAbbreviationCd>
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      <ContractorCompensationGrp>
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        <OtherCostOrOtherBasisAmt>3146375</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>1434696</DepreciationAmt>
        <BookValueAmt>1711679</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>419309</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>283054</DepreciationAmt>
        <BookValueAmt>136255</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>1897862</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>5228</DepreciationAmt>
        <BookValueAmt>1892634</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>27964322</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>PRIVATELY MANAGED INVESTMENTS</Desc>
        <BookValueAmt>122377969</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>COMMON/COLLECTIVE TRUST FUND</Desc>
        <BookValueAmt>16269129</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>138647098</TotalBookValueSecuritiesAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>SECURITY DEPOSIT PAYABLE</Desc>
        <Amt>2850</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEPOSIT ON SALE</Desc>
        <Amt>853000</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>855850</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>PURCHASED EASEMENTS THAT HAVE A RESALE VALUE ARE RECORDED AT THE LOWER OF COST OR MARKET. DONATED EASEMENTS THAT HAVE A RESALE VALUE ARE RECORDED AT THE LOWER OF THE DONATED VALUE OR MARKET. CONSERVATION EASEMENTS DETERMINED BY OSILT TO HAVE NO RESALE VALUE ARE WRITTEN DOWN TO A $1 CARRYING VALUE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE WALLACE ENDOWMENT IS INTENDED TO BE USED FOR THE PURPOSE OF ACQUIRIING AND/OR HOLDING LAND IN THE HUDSON RIVER VALLEY, CATSKILLS AND ADIRONDACKS IN ORDER TO PRESERVE AND PROTECT SUCH LAND FOR THE BENEFIT OF THE PUBLIC, AND SECONDARILY FOR OTHER PURPOSES THAT ARE IN FURTHERANCE OF THE CONSERVATION OF THE SCENIC BEAUTY, HISTORIC VALUES AND RESOURCES OF THE REGIONS. THE MALCOLM GORDON CHARITABLE ENDOWMENT FUNDS WERE CLASSIFIED AS TEMPORARILY RESTRICTED BECAUSE THE GRANTOR WHO ESTABLISHED THE TRUST REQUIRED THAT THE FUNDS BE DEVOTED TO ENVIRONMENTAL EDUCATION GRANTS. AFTER THE TRUST WAS DISSOLVED IN AUGUST 2012, THE ORGANIZATION CONTINUED TO CONSIDER THESE FUNDS TO BE TEMPORARILY RESTRICTED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION BELIEVES IT HAD NO UNCERTAIN TAX POSITIONS AS OF DECEMBER 31, 2017 AND 2016 IN ACCORDANCE WITH FASB ASC TOPIC 740, "INCOME TAXES," WHICH PROVIDES STANDARDS FOR ESTABLISHING AND CLASSIFYING ANY TAX PROVISIONS FOR UNCERTAIN TAX POSITIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANT TO RECIPIENT LOCATED IN TRANSBORDER CANADA</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>LAND ACQUISITION AND STEWARDSHIP</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>8000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANT TO RECIPIENT LOCATED IN TRANSBORDER CANADA</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>LAND ACQUISITION AND STEWARDSHIP</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>51430</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>CENTRAL AMERICA AND THE CARIBBEAN - ANTIGUA, BERMUDA, ARUBA, BAHAMAS</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PASSIVE FOREIN INVESTMENT</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>N/A</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>5000000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>5059430</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>5059430</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>LAND ACQUISITION AND STEWARDSHIP</PurposeOfGrantTxt>
        <CashGrantAmt>8000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <DescriptionOfNonCashAsstTxt>N/A</DescriptionOfNonCashAsstTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>LAND ACQUISITION AND STEWARDSHIP</PurposeOfGrantTxt>
        <CashGrantAmt>51430</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <DescriptionOfNonCashAsstTxt>N/A</DescriptionOfNonCashAsstTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <TotalOtherOrgCnt>2</TotalOtherOrgCnt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>1</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>1</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE F PART 1,LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>GRANTEES EXECUTE A WRITTEN AGREEMENT WHICH REQUIRES THEM TO SUBMIT WRITTEN REPORTS TO OSILT FOR THE PERIOD OF THE AGREEMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>ADIRONDACK COUNCIL INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>103 HAND AVENUE 3</AddressLine1Txt>
          <CityNm>ELIZABETHTOWN</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12932</ZIPCd>
        </USAddress>
        <RecipientEIN>141594386</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <PurposeOfGrantTxt>KLIPPER DAF GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>BEAR-PAW REGIONAL GREENWAYS</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 19</AddressLine1Txt>
          <CityNm>DEERFIELD</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03037</ZIPCd>
        </USAddress>
        <RecipientEIN>043340659</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>BRODHEAD WATERSHED ASSOCIATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 339</AddressLine1Txt>
          <CityNm>HENRYVILLE</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>18332</ZIPCd>
        </USAddress>
        <RecipientEIN>232564522</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>28000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR PLANNING AND RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CONSERVATION TRUST FOR NORTH CAROLINA</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1028 WASHINGTON STREET</AddressLine1Txt>
          <CityNm>RALEIGH</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>27605</ZIPCd>
        </USAddress>
        <RecipientEIN>581552188</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>177240</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CONSERVING CAROLINA</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>847 CASE STREET</AddressLine1Txt>
          <CityNm>HENDERSONVILLE</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>28792</ZIPCd>
        </USAddress>
        <RecipientEIN>566449365</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>225000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>FOOTHILLS LAND CONSERVANCY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3402 ANDY HARRIS ROAD</AddressLine1Txt>
          <CityNm>ROCKFORD</CityNm>
          <StateAbbreviationCd>TN</StateAbbreviationCd>
          <ZIPCd>37853</ZIPCd>
        </USAddress>
        <RecipientEIN>621256238</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>155000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>FRIENDS OF HUDSON RIVER PARK INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>305 7TH AVENUE 12TH FLOOR</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10001</ZIPCd>
        </USAddress>
        <RecipientEIN>134112913</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>15000</CashGrantAmt>
        <PurposeOfGrantTxt>KLIPPER DAF GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>GLYNWOOD CENTER INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 157</AddressLine1Txt>
          <CityNm>COLD SPRING</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10516</ZIPCd>
        </USAddress>
        <RecipientEIN>133852957</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>FARM INCUBATOR</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>JEWISH NATIONAL FUND</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>42 EAST 69TH STREET</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10021</ZIPCd>
        </USAddress>
        <RecipientEIN>131659627</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>25000</CashGrantAmt>
        <PurposeOfGrantTxt>KLIPPER DAF GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>KENNEBEC ESTUARY LAND TRUST</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 1128</AddressLine1Txt>
          <CityNm>BATH</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04530</ZIPCd>
        </USAddress>
        <RecipientEIN>010446468</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR CLIMATE COMMUNICATIONS SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>KESTREL LAND TRUST</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 1016</AddressLine1Txt>
          <CityNm>AMHERST</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01004</ZIPCd>
        </USAddress>
        <RecipientEIN>046243236</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>40300</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>LAKE PLACID LAND CONSERVANCY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 1250</AddressLine1Txt>
          <CityNm>LAKE PLACID</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12946</ZIPCd>
        </USAddress>
        <RecipientEIN>161452565</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>LAND CONSERVATION OF NEW JERSEY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>19 BOONTON AVENUE</AddressLine1Txt>
          <CityNm>BOONTON</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>07005</ZIPCd>
        </USAddress>
        <RecipientEIN>222378868</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>35000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR PLANNING AND RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>LAND TRUST ALLIANCE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1660 L STREET NW</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20036</ZIPCd>
        </USAddress>
        <RecipientEIN>042751357</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>40000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR OPERATING SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>LAND TRUST FOR CENTRAL NORTH CAROLINA INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 4284</AddressLine1Txt>
          <CityNm>SALISBURY</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>28145</ZIPCd>
        </USAddress>
        <RecipientEIN>561920846</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>110920</CashGrantAmt>
        <PurposeOfGrantTxt>FOR EASEMENT ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>LAND TRUST FOR TENNESSEE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>209 10TH AVENUE SOUTH NO 327</AddressLine1Txt>
          <CityNm>NASHVILLE</CityNm>
          <StateAbbreviationCd>TN</StateAbbreviationCd>
          <ZIPCd>37203</ZIPCd>
        </USAddress>
        <RecipientEIN>621770549</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>191796</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>LOON ECHO LAND TRUST</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>8 DEPOT STREET SUITE 4</AddressLine1Txt>
          <CityNm>BRIDGETON</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04009</ZIPCd>
        </USAddress>
        <RecipientEIN>222966924</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>17765</CashGrantAmt>
        <PurposeOfGrantTxt>FOR OPERATING SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MAINE COAST HERITAGE TRUST</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1 BOWDOIN MILL ISLAND NO 201</AddressLine1Txt>
          <CityNm>TOPSHAM</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04086</ZIPCd>
        </USAddress>
        <RecipientEIN>237099105</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>150000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MOHAWK HUDSON LAND CONSERVANCY INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>425 KENWOOD AVENUE</AddressLine1Txt>
          <CityNm>DELMAR</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12054</ZIPCd>
        </USAddress>
        <RecipientEIN>141754157</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>45000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR PURCHASE OF ELDRIDGE AND BOLOTSKY EASEMENTS</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MOHONK PRESERVE INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 715</AddressLine1Txt>
          <CityNm>NEW PALTZ</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12561</ZIPCd>
        </USAddress>
        <RecipientEIN>141609484</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>157000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR STEWARDSHIP OF EASEMENT (PATINKIN) AND THE REPLACEMENT OF THE TRAPPS BRIDGE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NATURAL HERITAGE TRUST</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>625 BROADWAY</AddressLine1Txt>
          <CityNm>ALBANY</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12207</ZIPCd>
        </USAddress>
        <RecipientEIN>161019635</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>2200600</CashGrantAmt>
        <PurposeOfGrantTxt>FOR MANAGEMENT AND OPERATIONS OF STATE PARKS</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NATURAL LANDS TRUST</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1031 PALMERS MILL ROAD</AddressLine1Txt>
          <CityNm>MEDIA</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>19063</ZIPCd>
        </USAddress>
        <RecipientEIN>236226151</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>435060</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NEW RIVER LAND TRUST</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 11057</AddressLine1Txt>
          <CityNm>BLACKSBURG</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>24062</ZIPCd>
        </USAddress>
        <RecipientEIN>542053383</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>9206</CashGrantAmt>
        <PurposeOfGrantTxt>FOR PLANNING AND RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NEW YORK - NEW JERSEY TRAIL CONFERENCE INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>600 RAMAPO VALLEY ROAD</AddressLine1Txt>
          <CityNm>MAHWAH</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>07430</ZIPCd>
        </USAddress>
        <RecipientEIN>226042838</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>90000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NYS OFFICE OF PARKS RECREATION &amp; HISTORIC PRESERVATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>625 BROADWAY</AddressLine1Txt>
          <CityNm>ALBANY</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12207</ZIPCd>
        </USAddress>
        <RecipientEIN>146013200</RecipientEIN>
        <IRCSectionDesc>115</IRCSectionDesc>
        <CashGrantAmt>85115</CashGrantAmt>
        <PurposeOfGrantTxt>FOR OPERATING SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>ORANGE COUNTY LAND TRUST</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 269</AddressLine1Txt>
          <CityNm>MOUNTAINVILLE</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10953</ZIPCd>
        </USAddress>
        <RecipientEIN>133692034</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>209822</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>REGIONAL PLAN ASSOCIATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>ONE WHITE HALL STREET 16TH FLOOR</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10004</ZIPCd>
        </USAddress>
        <RecipientEIN>131624154</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>7965</CashGrantAmt>
        <PurposeOfGrantTxt>FOR PLANNING AND RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>SOUTHEAST LAND TRUST OF NEW HAMPSHIRE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>12 CENTER ST 2ND FLOOR</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
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        <RecipientEIN>020355374</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>459470</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>TENNESSEE PARKS AND GREENWAY FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>117 30TH AVENUE SOUTH</AddressLine1Txt>
          <CityNm>NASHVILLE</CityNm>
          <StateAbbreviationCd>TN</StateAbbreviationCd>
          <ZIPCd>37212</ZIPCd>
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        <RecipientEIN>621557574</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>600000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE CONSERVATION FUND</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1655 N FORT MYER DRIVE</AddressLine1Txt>
          <CityNm>ARLINGTON</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>22209</ZIPCd>
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        <RecipientEIN>521388917</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>200000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE NATURE CONSERVANCY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>4245 N FAIRFAX DR SUITE 100</AddressLine1Txt>
          <CityNm>ARLINGTON</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>22209</ZIPCd>
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        <RecipientEIN>530242652</RecipientEIN>
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        <CashGrantAmt>1383941</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>TRUST FOR PUBLIC LAND</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>116 NEW MONTGOMERY STREET</AddressLine1Txt>
          <CityNm>SAN FRANCISCO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94105</ZIPCd>
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        <RecipientEIN>237222333</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>163800</CashGrantAmt>
        <PurposeOfGrantTxt>FOR COMMUNITY FOREST SUPPORT AND OUTDOORS AMERICA CAMPAIGN</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>VERMONT LAND TRUST</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>8 BAILEY AVENUE</AddressLine1Txt>
          <CityNm>MONTPELIER</CityNm>
          <StateAbbreviationCd>VT</StateAbbreviationCd>
          <ZIPCd>05602</ZIPCd>
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        <RecipientEIN>030264836</RecipientEIN>
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        <CashGrantAmt>47000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR LAND ACQUISITION</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>POUGHKEEPSIE-HIGHLAND RAILROAD BRIDGE CO INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 889</AddressLine1Txt>
          <CityNm>POUGHKEEPSIE</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12602</ZIPCd>
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        <RecipientEIN>141753502</RecipientEIN>
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        <CashGrantAmt>100000</CashGrantAmt>
        <PurposeOfGrantTxt>FOR SUPPORT OF STATE PARK</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>WESTERN FOOTHILLS LAND TRUST</BusinessNameLine1Txt>
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          <AddressLine1Txt>PO BOX 107</AddressLine1Txt>
          <CityNm>NORWAY</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04268</ZIPCd>
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        <RecipientEIN>016083123</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>54650</CashGrantAmt>
        <PurposeOfGrantTxt>FOR OPERATING SUPPORT</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>WILDLANDS CONSERVANCY INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3701 ORCHID PLACE</AddressLine1Txt>
          <CityNm>EMMAUS</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>18049</ZIPCd>
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        <RecipientEIN>237401326</RecipientEIN>
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      <RecipientTable>
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        <RecipientEIN>222950482</RecipientEIN>
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      <RecipientTable>
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          <CityNm>OSSINING</CityNm>
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        <NonCashAssistanceAmt>665435</NonCashAssistanceAmt>
        <NonCashAssistanceDesc>LAND DONATION</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>LAND DONATION</PurposeOfGrantTxt>
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      <Total501c3OrgCnt>39</Total501c3OrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>GRANTEES EXECUTE A WRITTEN AGREEMENT WHICH REQUIRES THEM TO SUBMIT WRITTEN REPORTS TO OSILT FOR THE PERIOD OF THE AGREEMENT.</ExplanationTxt>
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    </IRS990ScheduleI>
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        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>11364</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>224648</TotalCompensationRltdOrgsAmt>
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        <PersonNm>JEFFREY LEJAVA</PersonNm>
        <TitleTxt>VP &amp; ASSOCIATE GENERAL COUNSEL</TitleTxt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>13493</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>28978</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>202810</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LESLIE KANE SZYNAL</PersonNm>
        <TitleTxt>DIRECTOR, OUTDOORS AMERICA</TitleTxt>
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        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>EILEEN LARABEE</PersonNm>
        <TitleTxt>ASSOC.DIR. ALLIANCE FOR NY STATE</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>145714</CompensationBasedOnRltdOrgsAmt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>12083</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>3979</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>161776</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JOSEPH MARTENS</PersonNm>
        <TitleTxt>SENIOR FELLOW (RESIGNED 08/04/2017)</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>138596</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>11088</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
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        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>178597</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>SUBSTANTIAL CONTRIBUTOR</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>SEE PART V</RelationshipDescriptionTxt>
        <TransactionAmt>3729000</TransactionAmt>
        <TransactionDesc>SEE PART V</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <BusinessName>
            <BusinessNameLine1Txt>THOMAS WRIGHT</BusinessNameLine1Txt>
          </BusinessName>
        </NameOfInterested>
        <RelationshipDescriptionTxt>BOARD MEMBER</RelationshipDescriptionTxt>
        <TransactionAmt>7965</TransactionAmt>
        <TransactionDesc>SEE PART V</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE L, PART IV:</FormAndLineReferenceDesc>
        <ExplanationTxt>IN 2017, OSILT ENTERED IN TO AN AGREEMENT TO SELL LAND IN MAINE AND SOUTH CAROLINA, AT THE FAIR MARKET VALUE OF $3.7 MILLION, TO A 501(C)(3) EXEMPT PRIVATE FOUNDATION CONTROLLED BY A SUBSTANTIAL CONTRIBUTOR. THE PRIVATE FOUNDATION IS USING THE PARCELS IN THEIR OUTDOOR EDUCATION PROGRAM WHICH PROVIDES EDUCATIONAL AND RECREATIONAL OPPORTUNITIES FOR SCHOOL-AGE CHILDREN. THE SUBSTANTIAL CONTRIBUTOR DONATED THE FUNDS FOR THE ORIGINAL ACQUISITION OF THE PROPERTIES. THE SALES PROCEEDS OF THE PROPERTIES ARE RESTRICTED TO PUBLIC ACCESS PROJECTS IN THE SHAWANGUNK REGION OF NEW YORK STATE. MR. CHRISTOPHER J. ELLIMAN, PRESIDENT AND CEO OF OSI AND OSILT, SERVED AS A VOLUNTEER TRUSTEE OF THE BUTLER FOUNDATION UNTIL SEPTEMBER 2017 WHEN HE RESIGNED. MR. ELLIMAN DISCLOSED TO THE OSI BOARD HIS CONFLICT OF INTEREST IN THE TRANSACTIONS AND RECUSED HIMSELF FROM DISCUSSIONS BEFORE THE BOARD, CONCERNING THIS ISSUE.THOMAS WRIGHT, AN OSILT BOARD MEMBER, IS PRESIDENT AND CEO OF THE REGIONAL PLAN ASSOCIATION AND RECEIVES COMPENSATION FOR HIS SERVICES. IN 2017 OSILT MADE A $7,965 GRANT TO THE REGINAL PLAN ASSOCIATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>8</ContributionCnt>
        <NoncashContributionsRptF990Amt>2392355</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FAIR MARKET VALUE</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, COLUMN (B):</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHEDULE M PART I LINE 9: THE ORGANIZATION RECEIVED A TOTAL OF EIGHT (8) NON-CASH CONTRIBUTIONS.</ExplanationTxt>
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    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>SAM LAMBERT AND HOLLY HEGENER, TWO OSILT TRUSTEES, HAVE A FAMILY RELATIONSHIP. MS. HEGENER IS MR. LAMBERT'S STEP DAUGHTER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOLE MEMBER OF OPEN SPACE INSTITUTE LAND TRUST, INC. IS OPEN SPACE INSTITUTE, INC. OPEN SPACE INSTITUTE, INC. HAS A FISCAL SPONSORSHIP PROGRAM, THE CITIZEN ACTION PROGRAM, WHICH SUPPORTS LOCAL COMMUNITY GROUPS WORKING TO PROTECT NATURAL HABITATS AND HAS AN ENVIRONMENTAL EDUCATION PROGRAM WHICH MAKES GRANTS TO LOCAL ORGANIZATIONS FOR ENVIRONMENTAL EDUCATION. REFER TO THE OPEN SPACE INSTITUTE, INC. FORM 990 FOR A FURTHER DESCRIPTION OF THE ORGANIZATION'S MISSION AND MOST SIGNIFICANT ACTIVITIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUSTEES OF OPEN SPACE INSTITUTE LAND TRUST, INC. ARE ELECTED AT THE ANNUAL MEETING OF THE BOARD OF TRUSTEES OF THE SOLE MEMBER (OPEN SPACE INSTITUTE, INC.) AND ANY TRUSTEE MAY BE REMOVED, WITH OR WITHOUT CAUSE, BY THE SOLE MEMBER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>OUR 990 IS PREPARED BY AN OUTSIDE INDEPENDENT ACCOUNTING FIRM. THE DRAFT FORM 990 IS REVIEWED BY THE CONTROLLER, CHIEF FINANCIAL OFFICER &amp; GENERAL COUNSEL. AFTER STAFF REVIEW THE RETURN IT IS THEN REVIEWED BY THE AUDIT COMMITTEE. THE REVIEWED AND CORRECTED 990 FORM IS THEN SENT OUT TO ALL THE BOARD MEMBERS OF THE ORGANIZATION FOR THEIR REVIEW AND COMMENTS. THE RETURN IS FILED ONCE ALL PARTIES HAVE COMPLETED THEIR REVIEW AND REQUIRED EDITS HAVE BEEN MADE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>OPEN SPACE INSTITUTE LAND TRUST, INC. HAS A CONFLICT OF INTEREST POLICY WHICH REQUIRES ALL INTERESTED PERSONS TO DISCLOSE CONFLICTS AND POTENTIAL CONFLICTS AS SOON AS THEY ARISE. A CONFLICTED PARTY MAY NOT DISCUSS THE TRANSACTION THAT IS THE BASIS OF SUCH CONFLICT, AND MUST RECUSE HIMSELF OR HERSELF FROM ANY DISCUSSION OR VOTE ON SUCH TRANSACTION. THE PRESIDENT EACH YEAR REPORTS TO THE BOARD OF TRUSTEES ALL CONFLICT TRANSACTIONS AND HOW THEY WERE HANDLED. THE BOARD OF OPEN SPACE INSTITUTE LAND TRUST, INC. HAS THE POWER TO TAKE REMEDIAL ACTION IF THE CONFLICT POLICY IS VIOLATED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>OPEN SPACE INSTITUTE, INC. MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, WHISTLEBLOWER POLICY, DOCUMENT RETENTION AND DESTRUCTION POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE GENERAL PUBLIC. THESE DOCUMENTS ARE SENT TO ANYONE WHO CONTACTS THE ORGANIZATION AND REQUESTS SUCH INFORMATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>IN-KIND INTEREST EXPENSE -14,501. UNCOLLECTIBLE ACCOUNTS -841,095. IMPAIRMENT OF LAND -4,454,914.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION OF THE ORGANIZATION'S AUDIT COMMITTEE: THE AUDIT COMMITTEE OF THE OPEN SPACE INSTITUTE, INC., A SUPPORTED ORGANIZATION OF THE OPEN SPACE INSTITUTE LAND TRUST, INC., IS ALSO THE AUDIT COMMITTEE OF OPEN SPACE INSTITUTE LAND TRUST, INC. AND IS RESPONSIBLE FOR THE OVERSIGHT OF THE PREPARATION, REVIEW AND AUDIT OF OUR FINANCIAL STATEMENTS AND SELECTION OF OUR INDEPENDENT ACCOUNTANT. THE COMMITTEE MEETS QUARTERLY TO REVIEW COMPLEX TRANSACTIONS AND INTERIM FINANCIAL STATEMENTS TO OBTAIN A BETTER UNDERSTANDING OF THE CURRENT FINANCIAL CONDITION OF THE ORGANIZATION. ON AN ANNUAL BASIS, OUR AUDIT COMMITTEE REVIEWS THE REPORT TO THE AUDIT COMMITTEE PREPARED BY OUR OUTSIDE AUDITORS AND THE CONSOLIDATED FINANCIAL STATEMENTS OF OUR ORGANIZATION. THE AUDIT COMMITTEE PERIODICALLY REVIEWS, NOT LESS THAN EVERY FIVE YEARS, THE NEED TO REPLACE OUR INDEPENDENT ACCOUNTANT BASED ON CERTAIN CRITERIA. THE CRITERIA CONSIDERED INCLUDE DETERMINING IF THE INDEPENDENT ACCOUNTANT POSSESSES A HIGH LEVEL OF KNOWLEDGE OF ACCOUNTING STANDARDS AND PRINCIPLES, GENERALLY, AND NOT FOR PROFIT ACCOUNTING KNOWLEDGE, SPECIFICALLY, AND IF THEY CAN COMPLETE THE REQUIRED WORK IN A TIMELY MANNER AT A COMPETITIVE PRICE.</ExplanationTxt>
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    </IRS990ScheduleO>
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          <BusinessNameLine1Txt>OSI CONSERVATION INVESTMENTS LLC</BusinessNameLine1Txt>
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          <AddressLine1Txt>1350 BROADWAY SUITE 201</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>100187799</ZIPCd>
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          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
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        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BEAVERKILL VALLEY LAND TRUST INC</BusinessNameLine1Txt>
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          <StateAbbreviationCd>NY</StateAbbreviationCd>
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          <BusinessNameLine1Txt>STRATEGIC CONSERVATION PARTNERS LLC</BusinessNameLine1Txt>
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          <AddressLine1Txt>1350 BROADWAY ROM 201</AddressLine1Txt>
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      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
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      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
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      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
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      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
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        <TransactionTypeTxt>N</TransactionTypeTxt>
        <InvolvedAmt>1178800</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>ALLOCATED EXPENSES</MethodOfAmountDeterminationTxt>
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      <TransactionsRelatedOrgGrp>
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        <MethodOfAmountDeterminationTxt>ALLOCATED EXPENSES</MethodOfAmountDeterminationTxt>
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      <MeduimExplanationTxt>PURSUANT TO REGULATIONS SECTION 56.4911-8(B) AND IRC SECTION 4911(F), AN AFFILIATED GROUP OF ORGANIZATIONS IS TREATED AS A SINGLE ORGANIZATION FOR THE PURPOSES OF THE TAX IMPOSED BY IRC SECTION 4911(A). THEREFORE, SINCE THE AFFILIATED GROUP DID NOT HAVE ANY EXCESS LOBBYING EXPENDITURES OR EXCESS GRASSROOTS LOBBYING EXPENDITURES, THE FILING ORGANIZATION IS DEEMED TO NOT HAVE EXCESS LOBBYING EXPENDITURES OR EXCESS GRASSROOTS LOBBYING EXPENDITURES FOR THE PURPOSES OF THE DISCLOSURE ON PART II-A, LINE 1(H) AND 1(I), COLUMN A.AFFILIATED GROUP MEMBER:OPEN SPACE INSTITUTE, INC. (EIN 52-1053406)1350 BROADWAY, SUITE 201NEW YORK, NY 10018</MeduimExplanationTxt>
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          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
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        <TotalExemptPurposeExpendAmt>959520</TotalExemptPurposeExpendAmt>
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        <ShareExcessLobbyExpendAmt>0</ShareExcessLobbyExpendAmt>
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