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w ..... . Site num- ber Sta- tion number 103 104 105 106 107 05458900 05459000 05459010 05459490 05459500 108 109 110 111 112 05460100 05460500 05461500 05462000 05462750 05463000 05463090 05463500 05464000 05464130 113 114 115 116 117 118 05464133 119 05464137 120 05464145 121 05464310 122 05464500 123 05464560 124 05464640 125 05464880 126 05465000 127 05465150 128 05465500 129 05469860 130 05469990 131 05470000 132 05470500 133 05471000 134 05471200 135 05471500 136 05472290 131 05472390 138 05472445 139 05472500 140 05473000 14i 05473300 i42 05413500 --._.~~"," Table 3.--Charactp.riRtics of maximum flood~ at gaqin9 stations in Iowa--Continued Sta tion name West Fork Cedar River at Finchford Shell Rock River near Northwood Elk Creek at Kensett Spring Creek near Hason City Winnebago River at Hason City Willow Creek near Hason City Shell Rock River at Marble Rock Shell Rock River near Clarksville Shell Rock River at Shell Rock Beaver Creek tributary near Applington Beaver Creek at New Hartford Black Hawk Creek at Grundy Center Blackhawk Creek at Hudson Cedar River at Waterloo Fourmile Creek near Lincoln Half Mile Creek near Gladbrook Fourmile Creek near Traer TWelve Mile Creek near Traer Pratt Creek near Garrison Cedar River at Cedar Rapids Prairie Creek at Blairstown Prairie Creek at Fairfax Otter Creek at wilton Cedar River near Conesvi1le Harth Fork Long Creek at Ainsworth Iowa River at Wapello Mud Lake drainage ditch 71 in Jewell Keigley Branch near Story City South Skunk River near Ames Squaw Creek at Ames Skunk River below Squaw Creek near Ames Indian Creek near Mingo South Skunk River near Oska1oosa Sugar Creek near Searsboro Middle Creek near Lacey Rock Creek at Sigourney Harth Skunk River near Sigourney Skunk River at Coppock Cedar Creek near Batavia Big Creek near Mount Pieasant . Hydrologic region 3 5 5 3 4 5 3 3 3 3 3 3 3 3 3 3 3 3 3 MS 3 3 2 MS 3 MS 4 4 4 4 4 4 4 3 3 3 3 MS 3 3 Years of record Drainage area, in square miles 39 39 19 19 52 19 21 16 31 19 39 20 32 44 14 14 17 19 18 82 19 16 19 45 20 846.00 300.00 58.10 29.30 526.00 78.60 1,318.00 1,626.00 1,746.00 11.60 347.00 56.90 303.00 5,146.00 13.78 1.33 19.51 43 .80 23.40 6,510.00 87.00 178.00 10.70 7,785.00 30.20 70 12,499.00 20 65.40 20 31.00 59 315.00 27 204.00 27 17 39 20 20 20 39 37 21 24 556.00 276.00 1635.00 52.70 23.00 26.30 730.00 2,916.00 252.00 106.00 Year 1951 1965 1971 1980 1933 1969 1933 1961 1856 H 1983 1947 1969 1969 1961 1979 1979 1979 1979 1982 1961 1970 1979 1982 1961 1965 1947 1975 1975 1954 1975 1975 1966 1944 H 1974 1976 1970 1960 1944 1965 1973 Maximum flood Discharge, in cubic feet per second 31,900 3,400 1,000 4,500 10,800 1,100 36,400 33,400 45,000 3,000 18,000 7,000 19,300 76,700 1,100 611 1,450 3,800 10.800 73.000 4.600 8,140 3.450 70,800 2,560 94.000 2,100 2,250 8,630 11,300 14,700 7,380 37,000 4,600 9.650 3,300 27,500 41,500 26,000 10,500 Recurrence interval, in years 1.1 . 19 24 87 28 13 80 30 100 18 95 100 1. 2 . 78 4 29 5 18 2.6 . 46 10 7 32 26 10 55 14 7 58 1. 6 * 1.1 * 38 1. 3 * 24 1. 7 * 31 100 45 70 1.1 * .