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<br />Bogue Phalia Natural Channel near Heads, MiS~l~~iPPi. Approximate bottom width
<br />80 feet. Picture taken March 1926. ..
<br />
<br />121 944 766 1.2:i 6.09 10.000072 0.036
<br />132 1,080 965 1.12 7,10 .000066 .041
<br />142 2,867 1,167 2.48 7.92 ,000214 .037
<br />147 2,383 1,260 1.89 8.32 .000106 ,036
<br />1110 2,875 1,310 2. 19 8 In .000139 .036
<br />1M 3,OM 1,4.05 218 8.84 .000132 .036
<br />160 3,192 1,627 209 9.25 ,000109\ .030
<br />..__~~_ ..__~~_ __~:~. u~.~_ __~~~~_ .:~;~n .--:~-I
<br />
<br />1 A varage wlUlmum deptb at bankful stage.
<br />Natural Channel of Embarrass River near Charleston, Illinois, Approximate
<br />bottom width 100 feet. Picture taken in 1926,
<br />
<br />..
<br />
<br />Dateofobser-
<br />vattOD
<br />
<br />Mar. 15,1926
<br />Nov. 17,1026
<br />Mar. 7,1926
<br />Mar. 9,1926
<br />Jan. 22,1926
<br />Mar. 8,1926
<br />Feb. 29,1924
<br />Dec. 17,1926
<br />Feb. 28, 1924
<br />
<br />Date of obser-
<br />vatton
<br />
<br />
<br />Aver-
<br />...
<br />mllxl-
<br />mum
<br />depth
<br />
<br />coom.
<br />clento(
<br />rough-
<br />n...
<br />.
<br />
<br />Description of channel
<br />
<br />Moan
<br />hy.
<br />dmullo
<br />mdiw
<br />
<br />Aver-
<br />...
<br />""'"
<br />section
<br />
<br />Aver-
<br />Sl.'~aoo
<br />width
<br />
<br />Slope of
<br />water
<br />surface
<br />
<br />Mean
<br />vol...
<br />Ity
<br />
<br />Dis-
<br />ch.....
<br />
<br />&8
<br />10.4
<br />11.8
<br />,..
<br />12.8
<br />13.5
<br />14.3
<br />14.5
<br />15.6
<br />120.0
<br />
<br />Co-uue, nearly straight, slight curve at lower end; 1,5M feet long. CTo,,",
<br />,edi01l/ very little variation in shape; for variation in size, see fig. 4, B.
<br />.Sidt ,opt" very irregular. Fottom, Irregular and uneven. .%fl, clay
<br />loam, sandy bottom. Comfition} weeds and small trees along banksj
<br />natural channel; was cleaned 01 all growth and obstructions in 1916.
<br />(PI. 3, D and fig. 3, D.)
<br />
<br />
<br />Aver'
<br />...
<br />maxi-
<br />mum
<br />depth
<br />
<br />Cooffi.
<br />cientot
<br />rough.
<br />n...
<br />n
<br />
<br />Description of channel
<br />
<br />Moan
<br />hy.
<br />draUlic
<br />radius
<br />
<br />Aver-
<br />.g.
<br />"'''''
<br />section
<br />
<br />Aver-
<br />s~:oo
<br />width
<br />
<br />Slope of
<br />. water
<br />surface
<br />
<br />Moan
<br />veloc-
<br />Ity
<br />
<br />D~'
<br />charge
<br />
<br />------
<br />
<br /> &rornJ. Ft. ptr
<br /> Fui F,a I,a &i.ft. .". F,a
<br />Apr. 13,1926 8.7 139.3 1,974.9 945.3 200 6.52 0.000136 0.030 Count, straight; 1,000 feet long. Croo, 'talon, very little variation in
<br />Feb. 27,1926 ... 146.4 2,500.7 1,119.2 2.23 7.32 .000128 .030 shape; for variation in size, see fig. 20, A. Sidt dopt' somewhat irregular.
<br />Apr. 10,1926 13.5 180.0 4,265.4 1,700.1 261 .... .000128 .031 BoUom, faIrly even and regular. &i!, lower part, light gray silty clay;
<br />Sept. 14,1926 13.7 182.1 4,318.9 1,740.7 2.48 9.15 .000128 .032 up~r part, light tan silt loam. Condition, bottom comparatively clean
<br />Sept. 12,1926 16.2 219.1 5,868.6 2.275.5 2.08 9.95 .000140 .034 an smooth, upper part of side slopes .covered with large trees; natural
<br />Sept. 9, 1926 17.6 j87.. 6.237.42,605.8 239 10.45 . 000087 .030 channel. (PI. 24, A and fig. 19, A.)
<br />Oct. 5,1926 119.3 43.2 8,857.0 3,01l.6 2." 11.72 .000175 .038
<br />
<br />1 Average mtulmum depth at bankfuI stage.
<br />
<br />An estimate of "11" for this channel with no growth on the banks would be 0,025,
<br />
<br />24
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<br />>l u.s. Government Printing Office: 197b-669-6Z4/1b5 R~gion No.:'
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