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<br />NATURAL ENVIRONMENT SURVEY <br /> <br />Survey Date: 11l30f.1976 <br /> <br />Survey Location: <br />Survey Summary: <br /> <br />confluence with Uncompahgre River. . <br />500 ft electrofished. Sample included: 1 brook trout ( S") and 4 brown trout ( 9" - <br />11"). <br />brown and brook trout fishery. <br /> <br />Basis for ISF: <br /> <br />FIELD SURVEY <br /> <br />Survey Date: 10/7/96 <br /> <br />Method Used: R2X <br />Measured Flow (efs): 44 <br />Survey Location: S33 T46N RSW NMPM <br />Notes: <br /> <br />Grassline Width (ft): 29.S <br />PHOTOS: DOW <br /> <br />WATER A V AILABILITY <br /> <br />Method: <br /> <br />The Dallas Creek hydrograph was derived as per Gage # 09147000: Pallas Creek near Ridgway, <br />CO (1922-95). See hydrograph below. As per the Division 4 Engineer, senior water rights do <br />not present a water availability problem within this reach of stream. <br /> <br />IAN FEB MAR <br />17. IS. 20. <br /> <br />MEDIAN MONTHLY FLOWS (cfs) <br />APR MAY JUN JUL AUG SEP <br />40. 31. 49. 57. 46. 32. <br /> <br />ocr NOV DEC <br />24. 23. IS. <br /> <br />DALLAS CREEK NEAR RIDGWAY <br /> <br /> 50.00 <br /> 45.00 <br /> 40.00 <br /> 35.00 <br /> 30.00 <br />~ 25.00 <br />U <br /> 20.00 <br /> 15.00 <br /> 10.00 <br /> 5.00 <br /> 0.00 <br /> ...., <br /> <br /> <br /> <br />-- --- <br /> <br />u.. <br /> <br />~ <br /> <br /><( <br /> <br />~ <br /> <br />...., <br /> <br />...., <br /> <br /><( <br /> <br />(f) <br /> <br />o <br /> <br />z <br /> <br />o <br /> <br />MONTII <br /> <br />I-GAGE - -(nstreamFlow I <br /> <br />C:IMARK\NEW _RECSlDIV _ 411998IWPIREC_SUM_RPT#J.doo <br />