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<br />NATURAL ENVIRONMENT SURVEY <br /> <br />9/21/98 - Final RSR <br />Survey Date: 8/24/87 <br /> <br />Survey Location: <br />e Survey Summary: <br /> <br />Basis for ISF: <br /> <br />NE/4 S4 T14S R81W <br />352 ft electrofished. Sample included: 11 brook trout (4" - 8") and 2 brown trout <br />(5" - 9"). <br />. brook and brown trout fishery <br /> <br />FIELD SURVEY <br /> <br />Survey Date: 8/24/87 <br /> <br />Method Used: R2X <br />Measured Flow (cfs): 2.78 <br />Survey Location: NE/4 S4 T14S R81W <br />Notes: Goudy, rained for 2 days and nights. <br /> <br />Grassline Width (ft): 8.76 <br />PHOTOS: 3 <br /> <br />WATER AVAILABILITY <br /> <br />Metliod: <br /> <br />The Prospector Gulch hydrograph was derived as per a % of Gage #09107500: Texas Creek at <br />Taylor Park, CO. <br />See attached hydrograph. The winter instream flow recommendation was reduced to 0.4 cfs <br />(10/15 - 4/30) based on water availability analysis. As per the Division 4 Engineer, senior water <br />rights do not present a water availability problem within this reach of stream. <br /> <br />Remarks: <br /> <br />- <br /> <br />OCT NOV DEC <br />.89 .70 .59 <br /> <br />MEDIAN MONTHLY FLOWS (cfs) <br />IAN FEB MAR APR MAY JUN <br />.51 .40 .64 1.2 5.1 8.3 <br /> <br />JUL <br />5.3 <br /> <br />AUG SEP <br />1.9 1.3 <br /> <br />. Prospector Gulch u/s of Texas Creek (% of Gage # 09107500) <br />1929-92 <br /> <br />Iii 5 <br />IL <br />2 <br /> <br />~ 4 <br />-' <br />IL <br />~ 3 <br />J: <br />.... <br />Z <br />~ 2 <br />z <br />< <br />C 1 <br />w <br />~ <br /> <br /> <br />--- <br /> <br />------ <br /> <br />---- <br /> <br />o <br /> <br />OCT NOV DEe <br /> <br />JAN <br /> <br />FEB MAR APR MAY JUN <br />MONTH <br /> <br />I - CWCS ISF AMOUNT I <br /> <br />JUL AUG SEP <br /> <br />OCT <br /> <br />Ipros DUI.Wk4l <br /> <br />e <br /> <br />C:\MARKINEW _ RECS\DIV _ 4\19971wp\97 _A_Roc _sum _lpl.doc <br />