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<br />NATURAL ENVIRONMENT SURVEY <br /> <br />9121/98 - Final RSR <br /> <br />Survey Date: 7/20/95 <br /> <br />Survey Location: <br />_ Survey Summary: <br />. Basis for ISF: <br /> <br />NW NW S36 T47N RIW NMPM <br />Rod and Reel Survey Method. Sample included: 2_cutthroat trout (6" -7"). <br />cutthroat trout fIShery <br /> <br />FIELD SURVEY <br /> <br />Survey Date: 9/5/96 <br /> <br />Method Used: R2X I <br />Measured Flow (cfs): 0.43 <br />Survey Location: NW NW 836 T47N RIW NMPM <br />Notes: Heavy livestock use - bank damage. <br /> <br />Grassline Width (ft): 10.3 <br />PHOTOS: 7 <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br /> <br />The Deer Beaver Creek hydrograph was derived as per USGS WRI Report 85-4086. See <br />hydrograph below. The summer and winter instream flow recommendations were reduced to 1.0 <br />cfs (9/1-10/14), 0.4 (10/15-3/31) and 0.75 (4/1 - 4/30) based on the water availability analysis. <br />As per the Division 4 Engineer, senior water rights do not present a water availability problem <br />within this reach of stream. <br /> <br /> MEAN MONTHLY FLOWS (cfs) <br /> OCT NOV DEC IAN FEB MAR APR MAY JUN JUL AUG SEP <br /> .99 .66 .48 .40 .38 .43 1.1 6.6 17. 5.4 2.0 1.2 <br />e Deer Beaver Creek <br /> SYNTHETIC HYDROGRAPH - Modified <br /> 4 <br /> ~ <br /> rn <br /> LL <br /> U <br /> - <br /> ~ 3 <br /> 0 <br /> -' <br /> LL <br /> > <br /> -' <br /> :r: 2 <br /> .... <br /> Z <br /> 0 <br /> :; <br /> z <br /> s; 1 -- <br /> 0 <br /> .w <br /> :; <br /> ---- <br /> 0 <br /> OCT NOV DEe JAN FEB MAR APR MAY JUN JUL AUG SEP OeT <br /> MONTH <br /> I - CWCS ISF AMOUNT I <br />e I DeerBeav.wk41 <br /> <br /> <br /> <br /> <br />C:\MARKINEW _ RECS\ WP5l IRECOMMENDA nON SUMMARY REPORT.doc <br />