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<br />! <br /> <br />. <br />NATURAL ENVIRONMENT SURVEY <br /> <br />. <br />Survey Date: 8/30/95 <br /> <br />Survey Location: <br />Survey Summary: <br />Basis for ISF: <br /> <br />250' d/s of road crossing <br />Rod & Reel Survey. Sample included: 2 cutthroat trout (6" - 9"). <br />cutthrout trout fishery <br /> <br />FIELD SURVEY <br /> <br />Survey Date: 8/I6/95 <br /> <br />Method Used: R2X Grassline Width (ft): 5.21 <br />Measured Flow (cfs): 1.36 PHOTOS: 7 <br />Survey Location: 250' d/s of road crossing, u/s of irrigation diversion. <br />Notes: High gradient stream - step/pool. <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br />Remarks: <br /> <br />The Devils Creek hydrograph was derived as per USGS WRI Report 85-4086, <br />See attached hydrograph, As per the Division 4 Engineer. senior water rights do not present a <br />water availability problem within this reach of stream, <br /> <br />OCT NOV DEC <br />2.7 1.7 1.3 <br /> <br />MEAN MONTHLY FLOWS (cfs) <br />IAN FEB MAR APR MAY JUN <br />1.0 1.0 1.0 2.3 14. 46. <br /> <br />JUL <br />17. <br /> <br />AUG SEP <br />6.2 3.6 <br /> <br />Devil's Creek <br />SY NTHETIC HYDROGRA PH <br /> <br />(i) 5 <br />u. <br />o <br /> <br /> <br />3: 4 <br />o <br />-' <br />u. <br />~ 3 <br />J: <br />>- <br />Z <br />o 2 <br />~ <br />z <br />0( <br />"' 1 <br />~ <br /> <br /> <br /> <br />------------------------ <br /> <br />o <br /> <br />OCT <br /> <br />NOV <br /> <br />OEC <br /> <br />JAN <br /> <br />FEB <br /> <br />MAR APR <br />MONTH <br /> <br />MAY <br /> <br />JUN <br /> <br />JUL <br /> <br />AUG <br /> <br />SEP <br /> <br />OCT <br /> <br />Idevil_ck.Wk41 <br /> <br />_ CWCB ISF AMOUNT <br />