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        <BOYAmt>581974</BOYAmt>
        <EOYAmt>766963</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>581974</BOYAmt>
        <EOYAmt>766963</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>592850</BOYAmt>
        <EOYAmt>783039</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>184989</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc6">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
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        <CurrentTaxYearMinus4YearsAmt>63633</CurrentTaxYearMinus4YearsAmt>
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        <CurrentTaxYearMinus2YearsAmt>76272</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>49633</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>34682</CurrentTaxYearAmt>
        <TotalAmt>258125</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>543345</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>212016</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>653012</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>742632</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>767809</CurrentTaxYearAmt>
        <TotalAmt>2918814</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>606978</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>245921</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>729284</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>792265</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>802491</CurrentTaxYearAmt>
        <TotalAmt>3176939</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>3176939</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>286</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>135</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>9</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>25</CurrentTaxYearAmt>
        <TotalAmt>455</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>286</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>135</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>9</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>25</CurrentTaxYearAmt>
        <TotalAmt>455</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <OtherIncome509Grp>
        <CurrentTaxYearAmt>63325</CurrentTaxYearAmt>
        <TotalAmt>63325</TotalAmt>
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      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>607264</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>245921</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>729419</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>792274</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>865841</CurrentTaxYearAmt>
        <TotalAmt>3240719</TotalAmt>
      </TotalSupportCalendarYearGrp>
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      <PublicSupportPY509Pct>0.99980</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART III, LINE 12</FormAndLineReferenceDesc>
        <ExplanationTxt>PRIOR PERIOD ADJUSTMENT 63,325</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc3">
      <ArtPublicExhibitionAmountsGrp>
        <AssetsIncludedAmt>55988</AssetsIncludedAmt>
      </ArtPublicExhibitionAmountsGrp>
      <CollectionUsedPubExhibitionInd>X</CollectionUsedPubExhibitionInd>
      <CollUsedScholarlyRsrchInd>X</CollUsedScholarlyRsrchInd>
      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <SolicitedAssetsSaleInd>false</SolicitedAssetsSaleInd>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>8054</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>8054</DepreciationAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>4832</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>4832</DepreciationAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>51318</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>49322</DepreciationAmt>
        <BookValueAmt>1996</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>130321</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>77906</DepreciationAmt>
        <BookValueAmt>52415</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>54411</TotalBookValueLandBuildingsAmt>
      <InvstProgramRelatedOrgGrp>
        <Desc>ART COLLECTION</Desc>
        <BookValueAmt>26250</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>1918 NASH QUAD</Desc>
        <BookValueAmt>20238</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>LIBRARY BOOKS</Desc>
        <BookValueAmt>9500</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <TotalBookValueProgramRltdAmt>55988</TotalBookValueProgramRltdAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XIII</FormAndLineReferenceDesc>
        <ExplanationTxt>PART III, LINE 4 - COLLECTIONS AND RELATION TO EXEMPT PURPOSE WORKS OF ART: EIGHT PORTFOLIOS CONSISTING OF A TOTAL OF 350 ORIGINAL 14" X 11" WATERCOLOR PAINTINGS THE SUBJECT OF WHICH IS BOTANICAL FLORA REGIONAL TO HUMBOLDT AND MENDOCINO COUNTIES. HISTORICAL TREASURES: AGED LIBRARY BOOKS THE SUBJECT OF WHICH IS REDWOOD FOREST AND LOCAL HISTORY. BOTH COLLECTIONS HAVE SIGNIFICANT VALUE TO THE ORGANIZATION BECAUSE BOTH CONTAIN REGIONAL BOTANICAL AND HISTORICAL DATA. 1918 NASH QUAD: ANTIQUE LOG TRUCK ON EXHIBIT AT THE VISITOR CENTER OF REDWOODS PARK.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc4">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CA DEPT OF PARKS &amp; REC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1416 9TH STREET</AddressLine1Txt>
          <CityNm>SACRAMENTO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>95814</ZIPCd>
        </USAddress>
        <RecipientEIN>680303606</RecipientEIN>
        <IRCSectionDesc>GOV</IRCSectionDesc>
        <CashGrantAmt>13563</CashGrantAmt>
        <ValuationMethodUsedDesc>COST</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>PRINTING COSTS</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>EDUCATIONAL INFO</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CA DEPT OF PARKS &amp; REC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1416 9TH STREET</AddressLine1Txt>
          <CityNm>SACRAMENTO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>95814</ZIPCd>
        </USAddress>
        <RecipientEIN>680303606</RecipientEIN>
        <IRCSectionDesc>GOV</IRCSectionDesc>
        <CashGrantAmt>42494</CashGrantAmt>
        <ValuationMethodUsedDesc>COST</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>EXPENSES PAID</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>OUTREACH/TRAINING</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE I, PAGE 1, PART I, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>HUMBOLDT REDWOODS INTERPRETIVE ASSOCIATION TYPICALLY PAYS FOR THE PRINTING OF PUBLIC INFORMATION PAMPHLETS, MAPS, ETC., WHICH THE CALIFORNIA DEPARTMENT OF PARKS AND RECREATION (CDPR) THEN DISTRIBUTES. HRIA ALSO PAYS FOR EDUCATIONAL, INTERPRETIVE OR MAINTENANCE CONTRACTED SERVICES DIRECTLY. CASH RECEIVED ON SALES OF FIREWOOD IS REGULARLY REMITTED TO THE CDPR OR EXPENDED, AS APPROVED BY CDPR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc5">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990</FormAndLineReferenceDesc>
        <ExplanationTxt>MOST CONTRIBUTIONS ARE UNSOLICITED, THEREFORE, LITTLE FUNDRAISING EXPENSE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 1, PART I, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>VOLUNTEERS USUALLY PROVIDE OVER 6,000 HOURS OF VISITOR INFORMATIONAL AND INTERPRETIVE SERVICES IN TWO VISITOR CENTERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>HUMBOLDT REDWOODS INTERPRETIVE ASSOCIATION ALLOWS INDIVIDUALS TO PAY A FEE IN ORDER TO BECOME NON-VOTING MEMBERS IN THE ASSOCIATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTOR AND STATE LIAISON WILL REVIEW THE RETURN BEFORE FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANY POTENTIAL CONFLICTS BETWEEN OFFICERS, DIRECTORS, AND/OR KEY EMPLOYEES ARE BROUGHT FORTH BY THE AFFECTED PARTY(S). ENFORCEMENT IS PER THE WRITTEN POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>FILE OF SIGNIFICANT FINANCIAL INFORMATION, STATE CONTRACTS, BOARD MEETING MINUTES, AND GOVERNING DOCUMENTS AVAILABLE FOR PUBLIC INSPECTION IN HRIA'S VISITOR CENTER.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>