﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2010v3.2">
  <ReturnHeader binaryAttachmentCount="0">
    <Timestamp>2011-07-21T14:53:13-05:00</Timestamp>
    <TaxPeriodEndDate>2010-12-31</TaxPeriodEndDate>
    <PreparerFirm>
      <PreparerFirmBusinessName>
        <BusinessNameLine1>WIPFLI LLP</BusinessNameLine1>
      </PreparerFirmBusinessName>
      <PreparerFirmUSAddress>
        <AddressLine1>PO BOX 8700</AddressLine1>
        <City>MADISON</City>
        <State>WI</State>
        <ZIPCode>53708</ZIPCode>
      </PreparerFirmUSAddress>
    </PreparerFirm>
    <ReturnType>990</ReturnType>
    <TaxPeriodBeginDate>2010-01-01</TaxPeriodBeginDate>
    <Filer>
      <EIN>391786897</EIN>
      <Name>
        <BusinessNameLine1>ALDO LEOPOLD NATURE CENTER INC</BusinessNameLine1>
      </Name>
      <NameControl>ALDO</NameControl>
      <Phone>6088336717</Phone>
      <USAddress>
        <AddressLine1>300 FEMRITE DRIVE</AddressLine1>
        <City>MONONA</City>
        <State>WI</State>
        <ZIPCode>53716</ZIPCode>
      </USAddress>
    </Filer>
    <Officer>
      <Name>DEB MCCUE</Name>
      <Title>ASST TREASURER</Title>
      <Phone>6088336717</Phone>
      <DateSigned>2011-06-30</DateSigned>
      <AuthorizeThirdParty>1</AuthorizeThirdParty>
    </Officer>
    <Preparer>
      <Name>JOHN HEMMING</Name>
      <Phone>6082741980</Phone>
      <DatePrepared>2011-06-30</DatePrepared>
    </Preparer>
    <TaxYear>2010</TaxYear>
    <BuildTS>2016-02-24 21:20:13Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCount="8">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <NameOfPrincipalOfficerPerson>DEB MCCUE</NameOfPrincipalOfficerPerson>
      <AddressPrincipalOfficerUS>
        <AddressLine1>6515 GRAND TETON PLAZA 140</AddressLine1>
        <City>MADISON</City>
        <State>WI</State>
        <ZIPCode>53719</ZIPCode>
      </AddressPrincipalOfficerUS>
      <GrossReceipts>2360436</GrossReceipts>
      <GroupReturnForAffiliates>0</GroupReturnForAffiliates>
      <Organization501c3>X</Organization501c3>
      <WebSite>WWW.NATURENET.COM/ALNC</WebSite>
      <TypeOfOrganizationCorporation>X</TypeOfOrganizationCorporation>
      <YearFormation>1994</YearFormation>
      <StateLegalDomicile>WI</StateLegalDomicile>
      <ActivityOrMissionDescription>ENVIRONMENTAL EDUCATION</ActivityOrMissionDescription>
      <NbrVotingMembersGoverningBody>13</NbrVotingMembersGoverningBody>
      <NbrIndependentVotingMembers>12</NbrIndependentVotingMembers>
      <TotalNbrEmployees>40</TotalNbrEmployees>
      <TotalNbrVolunteers>13</TotalNbrVolunteers>
      <TotalGrossUBI>0</TotalGrossUBI>
      <NetUnrelatedBusinessTxblIncome>0</NetUnrelatedBusinessTxblIncome>
      <ContributionsGrantsPriorYear>374549</ContributionsGrantsPriorYear>
      <ContributionsGrantsCurrentYear>2096007</ContributionsGrantsCurrentYear>
      <ProgramServiceRevenuePriorYear>144764</ProgramServiceRevenuePriorYear>
      <ProgramServiceRevenueCY>213948</ProgramServiceRevenueCY>
      <InvestmentIncomePriorYear>12105</InvestmentIncomePriorYear>
      <InvestmentIncomeCurrentYear>4376</InvestmentIncomeCurrentYear>
      <OtherRevenuePriorYear>46616</OtherRevenuePriorYear>
      <OtherRevenueCurrentYear>-19731</OtherRevenueCurrentYear>
      <TotalRevenuePriorYear>578034</TotalRevenuePriorYear>
      <TotalRevenueCurrentYear>2294600</TotalRevenueCurrentYear>
      <GrantsAndSimilarAmntsPriorYear>0</GrantsAndSimilarAmntsPriorYear>
      <GrantsAndSimilarAmntsCY>0</GrantsAndSimilarAmntsCY>
      <BenefitsPaidToMembersPriorYear>0</BenefitsPaidToMembersPriorYear>
      <BenefitsPaidToMembersCY>0</BenefitsPaidToMembersCY>
      <SalariesEtcPriorYear>405438</SalariesEtcPriorYear>
      <SalariesEtcCurrentYear>459711</SalariesEtcCurrentYear>
      <TotalProfFundrsngExpPriorYear>0</TotalProfFundrsngExpPriorYear>
      <TotalProfFundrsngExpCY>0</TotalProfFundrsngExpCY>
      <TotalFundrsngExpCurrentYear>29014</TotalFundrsngExpCurrentYear>
      <OtherExpensePriorYear>235003</OtherExpensePriorYear>
      <OtherExpensesCurrentYear>247988</OtherExpensesCurrentYear>
      <TotalExpensesPriorYear>640441</TotalExpensesPriorYear>
      <TotalExpensesCurrentYear>707699</TotalExpensesCurrentYear>
      <RevenuesLessExpensesPriorYear>-62407</RevenuesLessExpensesPriorYear>
      <RevenuesLessExpensesCY>1586901</RevenuesLessExpensesCY>
      <TotalAssetsBOY>1880648</TotalAssetsBOY>
      <TotalAssetsEOY>3708002</TotalAssetsEOY>
      <TotalLiabilitiesBOY>19872</TotalLiabilitiesBOY>
      <TotalLiabilitiesEOY>260325</TotalLiabilitiesEOY>
      <NetAssetsOrFundBalancesBOY>1860776</NetAssetsOrFundBalancesBOY>
      <NetAssetsOrFundBalancesEOY>3447677</NetAssetsOrFundBalancesEOY>
      <MissionDescription>THE MISSION OF THE ALDO LEOPOLD NATURE CENTER IS TO "...TEACH THE STUDENT TO SEE THE LAND, UNDERSTAND WHAT HE SEES, AND ENJOY WHAT HE UNDERSTANDS" IN THE SPIRIT OF FAMED WISCONSIN CONSERVATIONIST, ALDO LEOPOLD.</MissionDescription>
      <SignificantNewProgramServices>0</SignificantNewProgramServices>
      <SignificantChange>0</SignificantChange>
      <Expense>654685</Expense>
      <Revenue>231695</Revenue>
      <Description>ALDO LEOPOLD NATURE CENTER, INC. IS LEADING THE WAY TO ENSURE STUDENTS OF ALL AGES AND BACKGROUNDS HAVE OPPORTUNITIES TO CONNECT WITH NATURE BY OFFERING POSITIVE AND CONSTRUCTIVE LEARNING OPPORTUNITIES THAT CAPTURE THEIR INTEREST, ENGAGE THEIR SENSES AND TEACH THEM TO APPRECIATE THE INTERCONNECTEDNESS OF ALL LIVING THINGS. THESE GOALS ARE MET THROUGH SCHOOL FIELD TRIPS, AT-SCHOOL PRESENTATIONS, AFTER-SCHOOL PROGRAMS, SUMMER NATURE CAMPS, FAMILY PROGRAMS, SCOUT PROGRAMS, AND OTHER SPECIAL EVENTS HELD THROUGHOUT THE YEAR. IN 2010 THE CENTER SERVED 40,609 PEOPLE.</Description>
      <TotalProgramServiceExpense>654685</TotalProgramServiceExpense>
      <DescribedIn501C3 referenceDocumentId="RetDoc1039100001">1</DescribedIn501C3>
      <ScheduleBRequired referenceDocumentId="RetDoc1234500001">1</ScheduleBRequired>
      <PoliticalActivities>0</PoliticalActivities>
      <LobbyingActivities>0</LobbyingActivities>
      <DonorAdvisedFunds referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFunds>
      <ConservationEasements referenceDocumentId="RetDoc1040000001">0</ConservationEasements>
      <CollectionsOfArt referenceDocumentId="RetDoc1040000001">0</CollectionsOfArt>
      <CreditCounseling referenceDocumentId="RetDoc1040000001">0</CreditCounseling>
      <TermOrPermanentEndowments referenceDocumentId="RetDoc1040000001">0</TermOrPermanentEndowments>
      <ReportLandBldgEquip referenceDocumentId="RetDoc1040000001">1</ReportLandBldgEquip>
      <ReportInvestOthSecurities referenceDocumentId="RetDoc1040000001">0</ReportInvestOthSecurities>
      <ReportProgRelInvest referenceDocumentId="RetDoc1040000001">0</ReportProgRelInvest>
      <ReportOtherAssets referenceDocumentId="RetDoc1040000001">0</ReportOtherAssets>
      <ReportOtherLiabilities referenceDocumentId="RetDoc1040000001">0</ReportOtherLiabilities>
      <ReportFin48Footnote referenceDocumentId="RetDoc1040000001">1</ReportFin48Footnote>
      <IndependentAuditFinancialStmt referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinancialStmt>
      <ConsolidatedAuditFinancialStmt referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinancialStmt>
      <School>0</School>
      <ForeignOffice>0</ForeignOffice>
      <ForeignActivities>0</ForeignActivities>
      <MoreThan5000KToOrganizations>0</MoreThan5000KToOrganizations>
      <MoreThan5000KToIndividuals>0</MoreThan5000KToIndividuals>
      <ProfessionalFundraising>0</ProfessionalFundraising>
      <FundraisingActivities>1</FundraisingActivities>
      <Gaming>0</Gaming>
      <Hospital>0</Hospital>
      <GrantsToOrganizations>0</GrantsToOrganizations>
      <GrantsToIndividuals>0</GrantsToIndividuals>
      <ScheduleJRequired>0</ScheduleJRequired>
      <TaxExemptBonds>0</TaxExemptBonds>
      <ExcessBenefitTransaction referenceDocumentId="RetDoc1042800001">0</ExcessBenefitTransaction>
      <PriorExcessBenefitTransaction referenceDocumentId="RetDoc1042800001">0</PriorExcessBenefitTransaction>
      <LoanToOfficerOrDQP referenceDocumentId="RetDoc1042800001">0</LoanToOfficerOrDQP>
      <GrantToRelatedPerson referenceDocumentId="RetDoc1042800001">0</GrantToRelatedPerson>
      <BsnssRltnshpWithOrganization referenceDocumentId="RetDoc1042800001">1</BsnssRltnshpWithOrganization>
      <BsnssRltnshpThruFamilyMember referenceDocumentId="RetDoc1042800001">0</BsnssRltnshpThruFamilyMember>
      <OfficerEntityWithBsnssRltnshp referenceDocumentId="RetDoc1042800001">0</OfficerEntityWithBsnssRltnshp>
      <DeductibleNonCashContributions referenceDocumentId="RetDoc1042900001">1</DeductibleNonCashContributions>
      <DeductibleContributionsOfArt referenceDocumentId="RetDoc1042900001">0</DeductibleContributionsOfArt>
      <Terminated>0</Terminated>
      <PartialLiquidation>0</PartialLiquidation>
      <DisregardedEntity>0</DisregardedEntity>
      <RelatedEntity>0</RelatedEntity>
      <RelatedOrgControlledEntity>0</RelatedOrgControlledEntity>
      <TransactionRelatedEntity>0</TransactionRelatedEntity>
      <TransfersToExemptNonChrtblOrg>0</TransfersToExemptNonChrtblOrg>
      <ActivitiesConductedPartnership>0</ActivitiesConductedPartnership>
      <ScheduleORequired>1</ScheduleORequired>
      <NumberFormsTransmittedWith1096>44</NumberFormsTransmittedWith1096>
      <NumberW2GIncluded>0</NumberW2GIncluded>
      <NumberOfEmployees>40</NumberOfEmployees>
      <EmploymentTaxReturnsFiled>1</EmploymentTaxReturnsFiled>
      <UnrelatedBusinessIncome>0</UnrelatedBusinessIncome>
      <ForeignFinancialAccount>0</ForeignFinancialAccount>
      <ProhibitedTaxShelterTrans>0</ProhibitedTaxShelterTrans>
      <TaxablePartyNotification>0</TaxablePartyNotification>
      <NonDeductibleContributions>0</NonDeductibleContributions>
      <QuidProQuoContributions>1</QuidProQuoContributions>
      <QuidProQuoDisclosure>1</QuidProQuoDisclosure>
      <Form8282PropertyDisposedOf>0</Form8282PropertyDisposedOf>
      <FundsToPayPremiums>0</FundsToPayPremiums>
      <PremiumsPaid>0</PremiumsPaid>
      <IndoorTanningServices>0</IndoorTanningServices>
      <InfoInScheduleOPartVI>X</InfoInScheduleOPartVI>
      <NbrVotingGoverningBodyMembers>13</NbrVotingGoverningBodyMembers>
      <NumberIndependentVotingMembers>12</NumberIndependentVotingMembers>
      <FamilyOrBusinessRelationship>0</FamilyOrBusinessRelationship>
      <DelegationOfManagementDuties>0</DelegationOfManagementDuties>
      <ChangesToOrganizingDocs>0</ChangesToOrganizingDocs>
      <MaterialDiversionOrMisuse>0</MaterialDiversionOrMisuse>
      <MembersOrStockholders>0</MembersOrStockholders>
      <ElectionOfBoardMembers>0</ElectionOfBoardMembers>
      <DecisionsSubjectToApproval>0</DecisionsSubjectToApproval>
      <MinutesOfGoverningBody>1</MinutesOfGoverningBody>
      <MinutesOfCommittees>0</MinutesOfCommittees>
      <OfficerMailingAddress>0</OfficerMailingAddress>
      <LocalChapters>0</LocalChapters>
      <Form990ProvidedToGoverningBody>0</Form990ProvidedToGoverningBody>
      <ConflictOfInterestPolicy>0</ConflictOfInterestPolicy>
      <WhistleblowerPolicy>1</WhistleblowerPolicy>
      <DocumentRetentionPolicy>1</DocumentRetentionPolicy>
      <CompensationProcessCEO>1</CompensationProcessCEO>
      <CompensationProcessOther>1</CompensationProcessOther>
      <InvestmentInJointVenture>0</InvestmentInJointVenture>
      <StatesWhereCopyOfReturnIsFiled>WI</StatesWhereCopyOfReturnIsFiled>
      <UponRequest>X</UponRequest>
      <TheBooksAreInCareOf>
        <NameBusiness>
          <BusinessNameLine1>DEBRA MCCUE</BusinessNameLine1>
        </NameBusiness>
        <TelephoneNumber>6088336717</TelephoneNumber>
        <AddressUS>
          <AddressLine1>6515 GRAND TETON PLAZA SUITE 140</AddressLine1>
          <City>MADISON</City>
          <State>WI</State>
          <ZIPCode>53719</ZIPCode>
        </AddressUS>
      </TheBooksAreInCareOf>
      <InfoInScheduleOPartVII>X</InfoInScheduleOPartVII>
      <Form990PartVIISectionA>
        <NamePerson>TERENCE KELLY</NamePerson>
        <Title>CHAIRMAN</Title>
        <AverageHoursPerWeek>5.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>HOWARD W MEAD</NamePerson>
        <Title>VICE PRESIDENT</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ANNE ROSS</NamePerson>
        <Title>SECRETARY</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>NINA LEOPOLD BRADLEY</NamePerson>
        <Title>MEMBER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>RICHARD PHELPS</NamePerson>
        <Title>TREASURER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>TRISH STEVENSON</NamePerson>
        <Title>MEMBER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ROBERT ALEXANDER</NamePerson>
        <Title>MEMBER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>MARTHA VUKELICH-AUSTIN</NamePerson>
        <Title>MEMBER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>JANINE VETO</NamePerson>
        <Title>MEMBER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>PEG SMELSER</NamePerson>
        <Title>MEMBER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ARLINGTON DAVIS</NamePerson>
        <Title>MEMBER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ALFONSO ZEPEDA-CAPISTRANT</NamePerson>
        <Title>MEMBER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ELLEN FOLEY</NamePerson>
        <Title>MEMBER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>DANIELLE YANCEY</NamePerson>
        <Title>MEMBER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>CHUCK CARPENTER</NamePerson>
        <Title>MEMBER</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>KATHLEEN CONN</NamePerson>
        <Title>PRESIDENT</Title>
        <AverageHoursPerWeek>40.00</AverageHoursPerWeek>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>95000</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>20937</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>DEB MCCUE</NamePerson>
        <Title>ASSISTANT SECRETARY/TREASU</Title>
        <AverageHoursPerWeek>7.00</AverageHoursPerWeek>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <TotalReportableCompFromOrg>95000</TotalReportableCompFromOrg>
      <TotalReportableCompFrmRltdOrgs>0</TotalReportableCompFrmRltdOrgs>
      <TotalOtherCompensation>20937</TotalOtherCompensation>
      <NumberIndividualsGT100K>0</NumberIndividualsGT100K>
      <FormersListed>0</FormersListed>
      <TotalCompGT150K>0</TotalCompGT150K>
      <CompensationFromOtherSources>0</CompensationFromOtherSources>
      <NumberOfContractorsGT100K>0</NumberOfContractorsGT100K>
      <MembershipDues>9473</MembershipDues>
      <GovernmentGrants>627322</GovernmentGrants>
      <AllOtherContributions>1459212</AllOtherContributions>
      <NoncashContributions>61809</NoncashContributions>
      <TotalContributions>2096007</TotalContributions>
      <ProgramServiceRevenue>
        <Description>SUMMER CAMP FEES</Description>
        <BusinessCode>611710</BusinessCode>
        <TotalRevenueColumn>116197</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>116197</RelatedOrExemptFunctionIncome>
      </ProgramServiceRevenue>
      <ProgramServiceRevenue>
        <Description>SCHOOL FEES</Description>
        <BusinessCode>611710</BusinessCode>
        <TotalRevenueColumn>52854</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>52854</RelatedOrExemptFunctionIncome>
      </ProgramServiceRevenue>
      <ProgramServiceRevenue>
        <Description>BLACK EARTH FEES</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>30385</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>30385</RelatedOrExemptFunctionIncome>
      </ProgramServiceRevenue>
      <ProgramServiceRevenue>
        <Description>OTHER PROGRAM FEES</Description>
        <BusinessCode>611710</BusinessCode>
        <TotalRevenueColumn>14512</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>14512</RelatedOrExemptFunctionIncome>
      </ProgramServiceRevenue>
      <TotalProgramServiceRevenue>213948</TotalProgramServiceRevenue>
      <InvestmentIncome>
        <TotalRevenueColumn>4376</TotalRevenueColumn>
        <ExclusionAmount>4376</ExclusionAmount>
      </InvestmentIncome>
      <GrossIncomeFundraisingEvents>22733</GrossIncomeFundraisingEvents>
      <FundraisingDirectExpenses>62769</FundraisingDirectExpenses>
      <NetIncomeFromFundraisingEvents>
        <TotalRevenueColumn>-40036</TotalRevenueColumn>
        <ExclusionAmount>-40036</ExclusionAmount>
      </NetIncomeFromFundraisingEvents>
      <GrossSalesOfInventory>4442</GrossSalesOfInventory>
      <CostOfGoodsSold>3067</CostOfGoodsSold>
      <NetIncomeOrLoss>
        <TotalRevenueColumn>1375</TotalRevenueColumn>
        <ExclusionAmount>1375</ExclusionAmount>
      </NetIncomeOrLoss>
      <OtherRevenueMisc>
        <Description>ORGANIZED YOUTH FEES</Description>
        <BusinessCode>611710</BusinessCode>
        <TotalRevenueColumn>17747</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>17747</RelatedOrExemptFunctionIncome>
      </OtherRevenueMisc>
      <OtherRevenueMisc>
        <Description>MISCELLANEOUS REVENUE</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>1183</TotalRevenueColumn>
        <ExclusionAmount>1183</ExclusionAmount>
      </OtherRevenueMisc>
      <TotalOtherRevenue>18930</TotalOtherRevenue>
      <TotalRevenue>
        <TotalRevenueColumn>2294600</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>231695</RelatedOrExemptFunctionIncome>
        <UnrelatedBusinessRevenue>0</UnrelatedBusinessRevenue>
        <ExclusionAmount>-33102</ExclusionAmount>
      </TotalRevenue>
      <CompCurrentOfficersDirectors>
        <Total>115937</Total>
        <ProgramServices>115937</ProgramServices>
      </CompCurrentOfficersDirectors>
      <OtherSalariesAndWages>
        <Total>306295</Total>
        <ProgramServices>306295</ProgramServices>
      </OtherSalariesAndWages>
      <OtherEmployeeBenefits>
        <Total>7066</Total>
        <ProgramServices>7066</ProgramServices>
      </OtherEmployeeBenefits>
      <PayrollTaxes>
        <Total>30413</Total>
        <ProgramServices>30413</ProgramServices>
      </PayrollTaxes>
      <FeesForServicesAccounting>
        <Total>5500</Total>
        <ProgramServices>5500</ProgramServices>
      </FeesForServicesAccounting>
      <FeesForServicesOther>
        <Total>25027</Total>
        <Fundraising>25027</Fundraising>
      </FeesForServicesOther>
      <Advertising>
        <Total>4419</Total>
        <ProgramServices>4419</ProgramServices>
      </Advertising>
      <OfficeExpenses>
        <Total>52483</Total>
        <ProgramServices>48496</ProgramServices>
        <Fundraising>3987</Fundraising>
      </OfficeExpenses>
      <InformationTechnology>
        <Total>1471</Total>
        <ProgramServices>1471</ProgramServices>
      </InformationTechnology>
      <Occupancy>
        <Total>48099</Total>
        <ProgramServices>48099</ProgramServices>
      </Occupancy>
      <Travel>
        <Total>446</Total>
        <ProgramServices>446</ProgramServices>
      </Travel>
      <ConferencesMeetings>
        <Total>2472</Total>
        <ProgramServices>2472</ProgramServices>
      </ConferencesMeetings>
      <DepreciationDepletion>
        <Total>44000</Total>
        <ProgramServices>44000</ProgramServices>
      </DepreciationDepletion>
      <OtherExpenses>
        <Description>ADMINISTRATIVE FEES</Description>
        <Total>24000</Total>
        <ManagementAndGeneral>24000</ManagementAndGeneral>
      </OtherExpenses>
      <OtherExpenses>
        <Description>WEEB PROJECT</Description>
        <Total>18399</Total>
        <ProgramServices>18399</ProgramServices>
      </OtherExpenses>
      <OtherExpenses>
        <Description>DNR URBAN FORESTRY</Description>
        <Total>10472</Total>
        <ProgramServices>10472</ProgramServices>
      </OtherExpenses>
      <OtherExpenses>
        <Description>MISCELLANEOUS</Description>
        <Total>8461</Total>
        <ProgramServices>8461</ProgramServices>
      </OtherExpenses>
      <OtherExpenses>
        <Description>OTHER PROGRAMS</Description>
        <Total>1481</Total>
        <ProgramServices>1481</ProgramServices>
      </OtherExpenses>
      <AllOtherExpenses>
        <Total>1258</Total>
        <ProgramServices>1258</ProgramServices>
      </AllOtherExpenses>
      <TotalFunctionalExpenses>
        <Total>707699</Total>
        <ProgramServices>654685</ProgramServices>
        <ManagementAndGeneral>24000</ManagementAndGeneral>
        <Fundraising>29014</Fundraising>
      </TotalFunctionalExpenses>
      <CashNonInterestBearing>
        <EOY>1812</EOY>
      </CashNonInterestBearing>
      <SavingsAndTempCashInvestments>
        <BOY>217103</BOY>
        <EOY>1216222</EOY>
      </SavingsAndTempCashInvestments>
      <PledgesAndGrantsReceivable>
        <BOY>89692</BOY>
        <EOY>467337</EOY>
      </PledgesAndGrantsReceivable>
      <PrepaidExpensesDeferredCharges>
        <BOY>3725</BOY>
        <EOY>4321</EOY>
      </PrepaidExpensesDeferredCharges>
      <LandBuildingsEquipmentBasis>2557719</LandBuildingsEquipmentBasis>
      <LandBldgEquipmentAccumDeprec>539409</LandBldgEquipmentAccumDeprec>
      <LandBuildingsEquipmentBasisNet>
        <BOY>1314413</BOY>
        <EOY>2018310</EOY>
      </LandBuildingsEquipmentBasisNet>
      <InvestmentsOtherSecurities>
        <BOY>255715</BOY>
      </InvestmentsOtherSecurities>
      <TotalAssets>
        <BOY>1880648</BOY>
        <EOY>3708002</EOY>
      </TotalAssets>
      <AccountsPayableAccruedExpenses>
        <BOY>19872</BOY>
        <EOY>260325</EOY>
      </AccountsPayableAccruedExpenses>
      <TotalLiabilities>
        <BOY>19872</BOY>
        <EOY>260325</EOY>
      </TotalLiabilities>
      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
        <BOY>1722942</BOY>
        <EOY>1583092</EOY>
      </UnrestrictedNetAssets>
      <TemporarilyRestrictedNetAssets>
        <BOY>137834</BOY>
        <EOY>1864585</EOY>
      </TemporarilyRestrictedNetAssets>
      <TotalNetAssetsFundBalances>
        <BOY>1860776</BOY>
        <EOY>3447677</EOY>
      </TotalNetAssetsFundBalances>
      <TotalLiabNetAssetsFundBalances>
        <BOY>1880648</BOY>
        <EOY>3708002</EOY>
      </TotalLiabNetAssetsFundBalances>
      <ReconcilationRevenueExpenses>1586901</ReconcilationRevenueExpenses>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>0</AccountantCompileOrReview>
      <FSAudited>1</FSAudited>
      <AuditCommittee>1</AuditCommittee>
      <FinancialStatementSeparate>X</FinancialStatementSeparate>
      <FederalGrantAuditRequired>0</FederalGrantAuditRequired>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg170b1Avi>X</PubliclySupportedOrg170b1Avi>
      <GiftsGrantsContribReceived170>
        <CurrentTaxYearMinus4Years>525971</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>509724</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>332679</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>374549</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>2096007</CurrentTaxYear>
        <Total>3838930</Total>
      </GiftsGrantsContribReceived170>
      <Total170>
        <CurrentTaxYearMinus4Years>525971</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>509724</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>332679</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>374549</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>2096007</CurrentTaxYear>
        <Total>3838930</Total>
      </Total170>
      <AmountsSubstContributorsTotal>145701</AmountsSubstContributorsTotal>
      <PublicSupportTotal170>3693229</PublicSupportTotal170>
      <GrossInvestmentIncome170>
        <CurrentTaxYearMinus4Years>14997</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>21829</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>5038</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>12105</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>4376</CurrentTaxYear>
        <Total>58345</Total>
      </GrossInvestmentIncome170>
      <OtherIncome170>
        <CurrentTaxYearMinus4Years>122871</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>161747</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>188337</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>191381</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>260053</CurrentTaxYear>
        <Total>924389</Total>
      </OtherIncome170>
      <TotalSupport>4821664</TotalSupport>
      <GrossReceiptsFromAdmissionsEtc>896031</GrossReceiptsFromAdmissionsEtc>
      <PublicSupportPertcentage170>0.76600</PublicSupportPertcentage170>
      <PublicSupportPertcentPriorYear>0.70780</PublicSupportPertcentPriorYear>
      <ThirtyThreePercntTestsCY170>X</ThirtyThreePercntTestsCY170>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInfo>
        <ContributorNumber>RESTRICTED</ContributorNumber>
        <ContributorNameBusiness>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorNameBusiness>
        <ContributorAddressUS>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorAddressUS>
        <AggregateContributions>RESTRICTED</AggregateContributions>
      </ContributorInfo>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <Land>
        <OtherCostOrOtherBasis>193100</OtherCostOrOtherBasis>
        <BookValue>193100</BookValue>
      </Land>
      <Buildings>
        <OtherCostOrOtherBasis>2265274</OtherCostOrOtherBasis>
        <Depreciation>444804</Depreciation>
        <BookValue>1820470</BookValue>
      </Buildings>
      <Equipment>
        <OtherCostOrOtherBasis>79179</OtherCostOrOtherBasis>
        <Depreciation>76454</Depreciation>
        <BookValue>2725</BookValue>
      </Equipment>
      <OtherLandBuildings>
        <OtherCostOrOtherBasis>20166</OtherCostOrOtherBasis>
        <Depreciation>18151</Depreciation>
        <BookValue>2015</BookValue>
      </OtherLandBuildings>
      <TotalOfBookValueLandBuildings>2018310</TotalOfBookValueLandBuildings>
      <TotalRevenue>2294600</TotalRevenue>
      <TotalExpenses>707699</TotalExpenses>
      <ExcessOrDeficitForYear>1586901</ExcessOrDeficitForYear>
      <TotalAdjustments>0</TotalAdjustments>
      <ExcessOrDeficitPerFS>1586901</ExcessOrDeficitPerFS>
      <TotRevenueEtcAuditedFinclStmt>2654646</TotRevenueEtcAuditedFinclStmt>
      <DonatedSrvcAndUseOfFacilities>294210</DonatedSrvcAndUseOfFacilities>
      <OtherRevenues>65836</OtherRevenues>
      <RevenueNotRptdF990>360046</RevenueNotRptdF990>
      <RevenueSubtotal>2294600</RevenueSubtotal>
      <RevenueNotRptdOnFinStmt>0</RevenueNotRptdOnFinStmt>
      <TotalRevenuePerForm990>2294600</TotalRevenuePerForm990>
      <TotExpensesEtcAuditedFinclStmt>1067745</TotExpensesEtcAuditedFinclStmt>
      <DonatedServicesUseOfFacilities>294210</DonatedServicesUseOfFacilities>
      <OtherExpensesIncluded>65836</OtherExpensesIncluded>
      <ExpensesNotRptdF990>360046</ExpensesNotRptdF990>
      <ExpensesSubtotal>707699</ExpensesSubtotal>
      <ExpensesNotRptdOnFinStmt>0</ExpensesNotRptdOnFinStmt>
      <TotalExpensesPerForm990>707699</TotalExpensesPerForm990>
      <Form990ScheduleDPartXIV>
        <Identifier>DESCRIPTION OF UNCERTAIN TAX POSITIONS UNDER FIN 48:</Identifier>
        <ReturnReference>PART X:</ReturnReference>
        <Explanation>THE ORGANIZATION HAS DETERMINED THERE ARE NO AMOUNTS TO RECORD AS ASSETS OR LIABILITIES RELATED TO UNCERTAIN TAX POSITIONS. FEDERAL RETURNS FOR THE TAX YEARS 2007, 2008, AND 2009 REMAIN SUBJECT TO EXAMINATION BY THE INTERNAL REVENUE SERVICE.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XII, LINE 2D - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>FUNDRAISING EXPENSES 62,769. COST OF GOODS SOLD 3,067.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XIII, LINE 2D - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>FUNDRAISING EXPENSES 62,769. COST OF GOODS SOLD 3,067.</Explanation>
      </Form990ScheduleDPartXIV>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <EventsInformation>
        <NameOfEvent1>PIPERS IN THE PRAIRIE</NameOfEvent1>
        <GrossReceiptsEvent1>22733</GrossReceiptsEvent1>
        <GrossRevenueEvent1>22733</GrossRevenueEvent1>
        <OtherDirectExpensesEvent1>62769</OtherDirectExpensesEvent1>
        <GrossReceiptsTotal>22733</GrossReceiptsTotal>
        <GrossRevenueTotalEvents>22733</GrossRevenueTotalEvents>
        <OtherDirectExpensesTotalEvents>62769</OtherDirectExpensesTotalEvents>
        <DirectExpenseSummaryEvents>62769</DirectExpenseSummaryEvents>
        <NetIncomeSummary>-40036</NetIncomeSummary>
      </EventsInformation>
    </IRS990ScheduleG>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>TERENCE F KELLY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>GENERAL PARTNER AT VENTURE MANAGEMENT, LLC</Relationship>
        <AmountOfTransaction>24000</AmountOfTransaction>
        <DescriptionOfTransaction>ADMINISTRATIVE SUPPORT AND RENT FEES - COSTS WERE REIMBURSED.</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>MATERIALS, GOODS AND FOOD</Description>
        <NumberOfContributions>141</NumberOfContributions>
        <NoncashContribsRptdF990>61809</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FMV</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <AnyPropertyThatMustBeHeld>0</AnyPropertyThatMustBeHeld>
      <ReviewProcessUnusualNCGifts>0</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>0</ThirdPartiesUsed>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, SECTION A, LINE 8B</Identifier>
        <Explanation>THE ORGANIZATION DOES NOT HAVE COMMITTEES WITH AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, SECTION B, LINE 11</Identifier>
        <Explanation>THE FORM 990 IS REVIEWED BY THE CHAIRMAN AND ASSISTANT TREASURER PRIOR TO SIGNING AND FILING THE FORM.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15</ReturnReference>
        <Explanation>THE BOARD OF DIRECTORS ANNUALLY REVIEWS COMPENSATION INCREASES AND BONUSES FOR THE PRESIDENT AND MANAGEMENT TEAM.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>THE ORGANIZATION DOES NOT MAKE GOVERNING DOCUMENTS OR FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VII</ReturnReference>
        <Explanation>DEB MCCUE IS EMPLOYED BY AN ORGANIZATION RELATED TO VENTURE MANAGEMENT LLC, AN ENTITY THAT THE CHAIRMAN OF THE BOARD, TERENCE F. KELLY, IS A MEMBER. THE SERVICES DEB PROVIDES ARE INCLUDED IN THE ADMINISTRATIVE SUPPORT AGREEMENT BETWEEN ALDO LEOPOLD NATURE CENTER AND VENTURE MANAGEMENT LLC.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>