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<br />9/21/98 -Final RSR <br /> <br />NATURAL ENVIRONMENT SURVEY <br /> <br />Survey Date: 9/23/92 <br /> <br />Survey Location: <br />_survey Summary: <br />Basis for ISF: <br /> <br />At mile marker 12 <br />7 C, clear, warm, light snow on 9/22 <br />rainbow trout fishery <br /> <br />FlELDSURVEY <br /> <br />Survey Date: 9/22/95 <br /> <br />Method Used: R2X <br />Measured Flow (cfs): 1.92 <br />Survey Location: SE NE S22 T17S R69W 6PM <br />Notes: 500' dls ofBLM boundary below confluence wlEast Fork <br /> <br />Grassline Width (ft): 12.1 <br />PHOTOS: 3 <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br /> <br />The Eightmile Creek #2 hydrograph was derived as per the USGS WRI Report 85-4086 <br />(Mountain Region).. See hydrograph below, The summer in stream flow recommendation was <br />reduced to 2,0 cfs (7/15 - 10/31) 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 />OCT NOV <br />1.2 .96 <br /> <br />MEANIMEDIAN MONTHLY FLOWS cfs <br />DEe JAN FEB MAR APR MAY JUN <br />.74 .63 .65 1.0 2.5 10 18 <br /> <br />JUL <br />3.2 <br /> <br />AUG SEP <br />1.5 1.1 <br /> <br />Eightmile Creek u/s of BLM Boundary <br />SYNTHETIC HYDROGRAPH <br /> <br />5 <br /> <br />Cil <br />u. <br />~ 4 <br />~ <br />o <br />~ 3 <br />>- <br />-' <br />:J: <br />!z 2 <br />o <br />:; <br />z <br />l5 1 <br />:; <br /> <br /> <br />---- <br /> <br /> <br />-- --- <br /> <br />------------- <br /> <br />o <br /> <br />OCT NOV DEC JAN FEB MAR APR MAY JUN <br />MONTH <br /> <br />I - CWCS ISF AMOUNT I <br /> <br />JUL AUG SEP OCT <br /> <br />IEi9ht_#2,wk41 <br /> <br />C:\MARKINEW _RECS\DIV _2\19981WPlDiv 2 Rec Sum Rpt B.do< <br />