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<br />South Forked Deer River Dredged Channel near Henderson, Tennessee, Approximate
<br />bottom width 20 feet. Picture taken in 1916.
<br />
<br />
<br />\ Date of obser.
<br />I "ation
<br />
<br />leoeffi.
<br />Slope of cient of
<br />water rough.
<br />surface ness
<br />n
<br />
<br />Description ar channel
<br />
<br />Aver.
<br />..'
<br />maxI-
<br />mum
<br />depth
<br />
<br />11een
<br />hy-
<br />draulic
<br />radins
<br />
<br />Aver.
<br />,go
<br />"""
<br />seetlon
<br />
<br />A\'er'
<br />su~:ce
<br />width
<br />
<br />Moan
<br />veloc-
<br />ity
<br />
<br />Dis- f
<br />charge
<br />
<br />------.-
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<br />Mar. 30,1916 .., 26.1 116.2 73.3 1.57 ,... 0.000257 0.028 Cour"t, straight; 624 feet long. C'r081 ,ulion, varli little variation In shape;
<br />MM. 1,1916 '.8 27.1 169,4 89.0 1.00 2.81 . 000393 .031 far variation In size, see Fig. 6, C. Side 8~8. s ightly lrre~lar. Bottom,
<br />May-16,}g16 ... 27.' 193.2 91.5 2.11 2.87 .00030.5 .025 fairly regular; uneven in places with smal depressions. ii, heavy clay
<br />May 22.1916 '" SO., 358.0 147.0 '48 3.96 .0003<l1 .029 neRr bottom; clay loam near to~ C011diti01li practically no. v~etation in
<br />M.y 3,1916 6.' 31.5 434.6 168.3 '08 '.34 . 00034' .029 channel. Comtructed, Novem ,1914. (P. 7, B and fig. 6, .)
<br />u...n........ 11}.3 ........ n._U"U _____u. n.._._ unnn hunn___ ._____u
<br />
<br />I Average m9:limum depth at blUlkful stage.
<br />
<br />Lake Fork Special Dredged Channel near Bement, Illinois. ApproXimate bottom
<br />width 25 feet. Picture taken July 1924,
<br />
<br />ffl
<br />
<br />.nUl!
<br />
<br />- --
<br />
<br />"""OOIf8O'~'l1I1'
<br />
<br />
<br /> Aver. Aver. Aver. Moan Coeffi.
<br />Date of oOOer. ... s~:ce D.- ... Moan hy- Slope of elentor
<br />maxi. voloe- water rough. Description of channel
<br />vation mum charge """" ity MauHe surfaoo n..'
<br /> depth width 8OOt~on radius n
<br /> ---
<br /> &<ond- Ft. ptr Cour,e, straight; 816 feet long. 0048 'fetiO'll, very little variation in shape;
<br /> F,d F,d I,d Sq.{t. ",. F,d for variation in size, see fij!". 20, B. SIde Ifopu, fairly rej!"u]nr. .&lUom,
<br />Sept. 17,1926 '.8 48.8 1&.1 221.4 0.84 '.20 0. 000241 M75 uneven and irregular. Soil, lower part, ltght gray clay; upper part,
<br />Sept. 7.1926 7.' 608 192.2 "'.7 .76 '.60 .00024' .000 yellowish gra~. clay. Condition, side slopes covered with dense growth
<br />Aug. 25,1924 '.0 '" 259.7 282.3 .92 .... .000286 .08' of bushy wll ows. except near bottom; some small polllar saplings at
<br />Sept. 6.1926 8.' 08.' 244.4 309.' .79 '.27 . 000239 .096 intervals lIlong course; ODe silt bar about middle of course, otherwise
<br />Sept. S,I926 .., M.' "" 347.7 .81 5.71 . 000228 .098 bottom in Quite good condition. Constructed, 1885; redredged, 1909.
<br />Sept. 13.1926 '.d "'-I 319.7 372.2 .sa ,961 .000214 .093
<br />Sept. 10.1926 12.0 61.6 ,95.' 611.0 .97 7.33 . 00023. .104
<br />
<br />.>
<br />
<br />Condition, about the same as for above measurements, except that growth
<br />was covered with foliage. This channel was cleared during fall of 1925,
<br />but there appeared to be as much growth In chanDel by the fall of 1926
<br />as previous to clearing. (PI. 25, B.)
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