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<br />9/21198 - Final RSR <br /> <br />NATURAL ENVIRONMENT SURVEY <br /> <br />Survey Date: 8131/88 <br /> <br />a Survey Location: <br />. Survey Summary: <br />Basis for ISF: <br /> <br />Highway bridge on Zorn Road. <br />25' electrofished. Sample included: 1 rainbow trout (9"), 58 brook trout (3"-10"). <br />rainbow and brook trout fishery <br /> <br />FIELD SURVEY <br /> <br />Survey Date: 1130/89 <br /> <br />Method Used: R2X <br />Measured Flow (cfs): 0.23 <br />Survey Location: NW S4 TI5S R67W 6PM <br />Notes: 20' dls of Greenhorn Road <br /> <br />Grassline Width (ft): 5.63 <br />PHOTOS: DOW <br /> <br />WATER AVAILABILiTY <br /> <br />Method: <br /> <br />The Graneros Creek # 1 hydrograph was derived as per the USGS WRI Report 85-4086 <br />(Mountain Region), See hydrograph below, The winter and summer instream flow <br />recommendations were both reduced to 0.25 cfs based on water the availability analysis, As per <br />the Division 2 Engineer, senior water rights do not present a water availability problem within <br />this reach of stream. <br /> <br />OCT NOV DEC <br />0.4 0.4 0.3 <br /> <br />MEAN MONTHLY FLOWS (cfs) <br />IAN FEB MAR APR MAY JUN <br />0.3 0.3 0.7 3.2 17. 7.0 <br /> <br />JUL <br />0.6 <br /> <br />AUG SEP <br />0.3 0.3 <br /> <br />e <br /> <br />Graneros Creek u/s Little Graneros Creek <br />SYNTHETIC HYDROGRAPH <br /> <br />4 <br /> <br /><n <br />... <br />~ <br />~ 3 <br />o <br />-' <br />... <br />> <br />:f 2 <br />f- <br />Z <br />o <br />::! <br />z <br />ili <br />::! <br /> <br />----- <br /> <br /> <br /> <br />----------- <br /> <br />o <br /> <br />OCT NOV DEC <br /> <br />JAN <br /> <br />FEB MAR APR MAY JUN <br />MONTH <br /> <br />JUL AUG SEP OCT <br /> <br />IU_Qrant:1.Wk41 <br /> <br />I - CWCS ISF AMOUNT I <br /> <br />e <br /> <br />Div 2 Rec Sum Rpt <br />