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<br />NATURAL ENVIRONMENT SURVEY <br /> <br />Survey Date: .. 8/41S1 ' . <br /> <br />Basis for !SF: <br /> <br />at Forest Service boundary .' .' <br />500' e1ectroflShed. Sample included: 16 rainbow trOut (3"- 9"), 39 brook trout (3"- <br />8"). <br />rainbow and brook trout fIShery <br /> <br />Survey Location: <br />Survey Summary: <br /> <br />FIELD SURVEY <br />Method Used: R2X <br />Measured Flow (cfs): 0.4 <br />Survey Location: NW S1 T25S R68W 6PM <br />Notes: 0.4 miles dls of Evergreen Ditch <br /> <br />Survey Date: <br />Grassline Width (ft): <br />PHOTOS: <br /> <br />9/25/92 <br />4.8 <br />DOW <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br /> <br />The Graneros Creek #2 hydrograph was derived as per the USGS WRI Report 85-4086 <br />(Mountain Region). See hydrograph below. The winter instream flow recommendation was <br />reduced to 0.3 cfs (12/1-3/14) based on the water availability analysis. As per the Division 2 <br />Engineer, senior water rights do not present a water availability problem within this reach of ' <br />stream. <br /> <br />MEAN MONTIn.. Y FLOWS cfs <br />OCT NOV DEC JAN FEB MAR APR MAYJUN <br />0.8 0.6 0.4 0.4 0.3 0.5 1.3 8.5 16. <br /> <br />JUL AUG SEP <br />3.7 1.4 0.9 <br /> <br /> <br />Graneros Creek u1s of Evergreen Ditch <br />SYNTHETIC HYDROGRAPH' <br /> <br />5 <br /> <br />in 4 <br />u. <br />o <br />- <br /> <br />;: <br />g 3 <br />u. <br />~ <br />!z 2 <br />o <br />::;; <br />z <br />is 1 <br />::;; <br /> <br />-- <br /> <br /> <br />--- <br /> <br />--- <br /> <br />- <br /> <br />o <br /> <br />OCT NOV DEe .IAN FEB MAR APR MAY JUN JUL AUG SEP OCT <br />MONTH <br /> <br />IUJlranI2.wk4\ <br /> <br />~ CWCB !SF AMOlJllTl <br /> <br />...,;.., <br />