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<br />NA 11JRAL ENVIRONMENT SURVEY <br /> <br />Survey Date: 918ns. <br /> <br />Survey Location: <br />Survey Summary: <br />Basis for ISF: <br /> <br />1.5 miles u1s of confluence with Powderhom Creek <br />500 ft eledrofished. Sample included: 34 brook trout (2" -12"). <br />brook and cutthroat trout fIShery <br /> <br />.. <br /> <br />e <br /> <br />FIELD SURVEY <br /> <br />Survey Date.: 1013/94 <br /> <br />Method Used: R2X I Grassline Width (ft): 9.91 <br />Measured Flow (cfs): 1.41 PHOTOS: 3 <br />Survey Location: 1.5 miles u1s of confluence with Powderhom Creek <br />Notes: Ooudy & CooL Some rain in recent days. Water clear. mo temp = 6 C <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br /> <br />The West ForkPowderhorn Creek hydrograph was derived as per a % of Gage # 09121500: . <br />Cebolla Creek near Lake City, CO. See hydrograph below. As per the Division 4 Engineer, <br />senior water rights do not present a water availability problem within this reach of stream. <br /> <br />MEDIAN MONTHLY FLOWS cfs <br />OCT NOV DEC IAN FEB MAR APR MAY JUN <br />U U U U U U U K ~ <br /> <br />JUL AUG SEP <br />4.6 3.3 2.6 <br /> <br />West FK Powderhorn Creek (% Gage #09121500) <br />1946-54 <br /> <br /> <br />5 <br /> <br /> <br /> <br />fij' <br />u. 4 <br />U <br />~ <br />~ <br />...J3 <br />u. <br />~ <br /> <br />!z 2 -- ------------ <br />~ <br />~ 1 <br />:i: ---------- <br /> <br />o <br /> <br />OCT NOV DEe JAN FEB MAR APR MAY JUN JUL AUG SEP OCT <br />MONTH <br /> <br />IWFPOWDR WK4! <br /> <br />I - CVVCB ISF AMOUNT <br /> <br />C:\MAR!..iNEW _RECS\WP'lIRECOMMENDATlON SUMMARY REPORT.doc <br />