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        <CurrentTaxYearMinus1YearAmt>1582318</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1764526</CurrentTaxYearAmt>
        <TotalAmt>6017266</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>790936</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>786047</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1093439</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1582318</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1764526</CurrentTaxYearAmt>
        <TotalAmt>6017266</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>6017266</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus2YearsAmt>244</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>414</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>20530</CurrentTaxYearAmt>
        <TotalAmt>21188</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus1YearAmt>601777</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>528907</CurrentTaxYearAmt>
        <TotalAmt>1130684</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>7169138</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>2478989</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.83930</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.89280</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART II, LINE 10</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER INCOME 601,777</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc3">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>149931</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>113024</DepreciationAmt>
        <BookValueAmt>36907</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>158654</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>40348</DepreciationAmt>
        <BookValueAmt>118306</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>155213</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>SECURED LOAN</Desc>
        <Amt>118300</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Amt>70840</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>OTHER</Desc>
        <Amt>1050</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>TAX</Desc>
        <Amt>539</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>190729</TotalLiabilityAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc4">
      <FundraisingEventInformationGrp>
        <Event1Nm>BIKE RIDES AND</Event1Nm>
        <GrossReceiptsEvent1Amt>171323</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>171323</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>129726</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>171323</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>171323</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>129726</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>129726</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>41597</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc5">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>TO MAINTAIN AND ENHANCE TRAILS ACROSS USFS LANDS. WORK INCLUDES RESTORING AND REHABILITATING HISTORIC TRAILS AS WELL AS CREATION OF NEW TRAILS. TRAIL WORK REDUCES EROSION AND MINIMIZES HUMAN IMPACT IN THE FORESTS FOSTERING HISTORIC PRESERVATION AND CONTINUED ENVIRONMENTAL PRESERVATION WHILE PROVIDING THE PUBLIC WITH ACCESS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 1, PART I, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>VOLUNTEERS SUPPORT THE MISSION OF SIERRA BUTTES TRAIL STEARDSHIP BY ASSISTING IN EVENTS SUCH AS "TRAIL DAYS" WHERE THE VOLUNTEERS ARE USED IN TRAIL MAINTENANCE AND UPGRADING. VOLUNTEERS ARE ALSO A PART OF BIKING EVENTS AS HELP WITH FOOD, MEDICAL, AND TRAIL CREWS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>990 REVIEWED BY BOARD OF DIRECTORS AND KEY EMPLOYEES UPON COMPLETION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>CONFLICTS OF INTEREST MUST BBE REPORTED TO A DIRECTOR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION DETERMINED DURING NORMAL COURSE OF BUSINESS THROUGH BOARD OF DIRECTOR MEETINGS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>KEY EMPOLYEE SALARY DETERMINED BY BOARD ACTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>NO DOCUMENTS AVAILABLE TO THE PUBLIC</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>FIELD SUPPLIES 146,296 0 0 AUTO MILEAGE 41,132 10,283 0 VEHICLE MAINTENANCE 21,487 0 0 BIKES FOR SALE 265,392 0 0 BIKES FOR RENT 2,427 0 0 PERMITS 26,819 0 0 SOFT GOODS 41,712 0 0 HARD GOODS 31,739 0 0 TOTAL 577,004 10,283 0</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
