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<br />Kaskaskia River Dreoged Channel near Sadorus, Illinois, Approximate bottom
<br />width 15 feet. Picture taken May 1926,
<br />
<br />
<br /> Aver. Aver- Aver- Mean CooJIl-
<br />1 O'~f."'.. ... ... OiB- ... MM. hy- Slope of clootof
<br />maxi- veloo- w,... rough- Description of channel
<br /> tiOD mum ,,,,faoe "'''''' ""'" Ity draullc ,urlaoo u,,"
<br /> depth width sectIon radius n
<br />Ion. 18, 1926 ... 37.6 249,1 130.6 1.91 ~.. 0.000383 0.033 Cbur6e, crooked; 600 foot long. C'rw& 'mum, considerable variation in
<br />Feb. 26,1"" ... <3.0 321.0 16tl.t:i 1.a9 "'8 .000485 .041 shape; for variation in size, see fiJ' 20, H. Side ,lopu, very irregular and
<br />Feb. "'1"" 7.1 47.1 415.6 210.0 1.08 '.04 . .000515 .044 uneven. ~m. .fairly even an regu.lar. Soil, lower part, light bluish
<br />A",. 7,1926 7.' 49.2 ..... 23,8 1.92 .." .000463 .046 gray clay, which IS bard, waxy, and slippery at the bottom; upper part
<br /> I grar. silt loam. Condition, very young growth and stubble on upper F::!
<br /> of 5 opes, Done on lower part' channel cleared in Ser.tember 1925 .
<br /> 6truded, 1907; vegetation cut a~ut every 2 years. (P. 26, C MId fig'10, H.)
<br />luna 12, 1926 '.8 .... 70.7 .... 1.28 '.02 63.' 0.030 CondUion, lelt slope covered with weeds, right slope with willows, exoept
<br />Sept. 17,1926 ~. "'8 .... 608 1.04 2.28 .... .037 near bottom.
<br />Sept. 7,1926 '.2 31.6 99.2 ..<1 1.0< 2.74 28.7 .044
<br />I "pt. 12,1"" ... 28.' 138.4 120.6 1.15 3.04 39.1 .045
<br />Sept. 6, 1926 ... 43.8 IIn.1 177.6 1.11 3.88 26.2 ......
<br />f~~.::-~~-~~. 7.' 48.' ""'.. 226.' 1.16 '.22 28.. .088
<br />&. 61.6 320.8 273.' 1.17 4.76 26.. .072
<br />19.0 nunu unun_. _'''_.00 _nn__ nnnn _n_n_n_ __unn
<br />
<br />I A'Verage maximum depth at bankful lItage.
<br />
<br />Camp Creek Dredged Channel near Seymore, Illinois. Approximate bottom width
<br />15 feet. Picture,taken July 1927,
<br />
<br />
<br /> Aver- Av... Aver- MM. CooJIl-
<br /> ... MMn Slope of cientof
<br />Date of ob8er- maxl- lIU~:oe 0'.. ... veloa- hy- water rougb- Dascrlptlon 01 channel
<br />vatlon mum """". ""'" it. draulic lIurf8ce D,,"
<br /> depth width section """us n
<br /> ---
<br />
<br />Sept. 10, 1926
<br />Oct. 2,1926
<br />
<br />-
<br />...
<br />7.'
<br />18.5
<br />
<br />Fat
<br />26..
<br />86.0
<br />
<br />&<and,
<br />fat
<br />60.0
<br />164.9
<br />
<br />Fl. "'"
<br />""-
<br />n..
<br />...
<br />
<br />Cou,,,~, straight: 661 feet 10D~ 0'08" ,wioo, very little variation in shape;
<br />for variation In site, see .20,1. SUU ,Iopa, fairly regular. BcUom,
<br />uneven BDd irregular. Soi, lower part, yellowish gray clay: upper part,
<br />light gray silty clay loam. Condition, In 1924, newly cleaned IEl8ving
<br />weeds and stubble on side slopes: in 1926, sides covered with trees and
<br />vInes without foliage. ConItructed, 1906: cleaned, winter of 1923-24.
<br />
<br />-
<br />2.84. o.OOOli16
<br />4.37 .0lXl646
<br />
<br />So. ft.
<br />87.9
<br />176.7
<br />
<br />M""
<br />.104
<br />
<br />__u_u_______n..__uuu_____u._____________n______._..
<br />
<br />1 Average muimum depth at bank-full stage.
<br />
<br />Qmditfon, side slopes covered witb heavy powth of poplar trees 2 to 3 incbes
<br />In diameter, large willows, Bnd climbIng vines: thick growth of water
<br />weed on bottom. (PI. 29, C.)
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<br />6
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