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<br />". _ _ '1 <br /> <br />NA TURAL ENVIRONMENT SURVEY <br /> <br />Survey Date: 11/30/76 <br /> <br />Survey Location: <br />Survey Summary: <br /> <br />Highway 62 bridge at Ridgway. <br />500 ft electrolished. Sample included: 1 brown trout ( 13") and 4 rainbow trout ( <br />10" -12"). <br />brown and rainbow trout lishery <br /> <br />. <br /> <br />Basis for ISF: <br /> <br />FIELD SURVEY <br /> <br />Survey Date: 10/7/96 <br /> <br />Method Used: R2X <br />Measured Flow (cfs): 188 cfs <br />Survey Location: S33 T46N R8W NMPM <br />Notes: <br /> <br />Grassline Width (ft): 67 feet <br />PHOTOS: <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br /> <br />The Uncompahgre River hydrograph was derived as per Gage # 09146200: Uncompahgre River <br />near Ridgway, CO (1958-95). See hydrograph below. As per the Division 4 Engineer, senior <br />water rights do not present a water availability problem within this reach of stream. <br /> <br />IAN FEB <br />44. 43. <br /> <br />MAR <br />54. <br /> <br />MEDIAN MONTHLY FLOWS cfs <br />APR MAY JUN . JUL AUG SEP <br />64. 286 5:;0 283 137 92. <br /> <br />ocr NOV DEC <br />77. 64. 50. <br /> <br />UNCOMPAHGRE RIVER ABOVE RIDGWAY RESERVOIR <br /> <br /> 140.00 <br /> 120.00 <br /> 100.00 <br />00 80.00 <br />r.. <br />U <br /> 60.00 <br /> 40.00 <br /> 20.00 <br /> 0.00 <br /> ..., u. ~ <br /> <br /> <br />-----------. <br /> <br /> <br /><{ <br /> <br />~ <br /> <br />...., <br /> <br />..., <br /> <br /><{ <br /> <br />en <br /> <br />o <br /> <br />z <br /> <br />o <br /> <br />MONTH <br /> <br />I-GAGE - -lnstreamFlow I <br /> <br />C:IMARKINEW _RECSIWPS IIRECOMMENDATION SUMMARY REPORT. doc <br />