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<br />NATURAL ENVIRONMENT SURVEY <br /> <br />Survey Date: 6/15/89 <br /> <br />. <:.O'':tl <br />, <br />f ,;~ <br />,. ",1, <br />I <br /> <br />Survey Location: <br />Survey Summary: <br />Basis for ISF: <br /> <br />0,5 miles uls of Ralston Creek <br />300' electrofished. Sample Included: 5 brook trout (3" - 5"). <br />brook trout fIShery <br /> <br />, <br /> <br />e <br /> <br />FIELD SURVEY <br /> <br />Survey Date: 4/16/96 <br /> <br />Method Used: R2X <br />Measured Flow (cfs): 0,76 <br />Survey Location: SE S2 TIS R71W 6PM <br />Notes: Snowstorm on 4/13/96. Water clear. Air temperture 55 F. <br /> <br />Grassline Width (ft): 5.68 <br />PHOTOS: 3 <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br /> <br />The Nott Creek hydrograph was derived as per the USGS WRI Report 85-4086 (Mountain <br />Region). See hydrograph below. The Winter instream flow recommendation was reduced to 0.2 <br />cfs (8/15-4/14) based on the water availability analysis. As per the Division 1 Engineer, senior <br />water rights do not present a water availability problem within this reach of stream. <br /> <br />OCT NOV DEC <br />.38 .29 .22 <br /> <br />MEAN MONTHLY FLOWS (cfs) <br />IAN FEB MAR APR MAY JUN <br />.18 .19 .29 .84 5.0 7.9 <br /> <br />JUL <br />1.3 <br /> <br />AUG SEP <br />.48 .36 <br /> <br />I <br /> <br />Nott Creek. <br />SYNTI-ETIC HVDROGRAPH <br /> <br />3 <br /> <br />~ 25 <br />o <br />- <br />~ <br />o 2 <br />..J <br />lL. <br />>- <br />i 1.5 <br />!Z <br />o <br />:::!i 1 <br />~ <br />o <br />w 0.5 <br />:::!i <br /> <br /> <br />----- <br /> <br /> <br />---- <br /> <br />-- <br /> <br />--- <br /> <br />o <br /> <br />OCT NOV DEe .!AN FEB MAR APR MAY JUN JUL AUG SEP OCT <br />MONTH <br /> <br />Inott.wk41 <br /> <br />1- CVVCB ISF AMOlM' I <br /> <br />