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<br />Kaskaskia Mutual Dredged Channel near Bondville, illinois, Approximate bottom
<br />width 10 feet. Picture taken April 1925,
<br />
<br />
<br /> Aver. Aver- Aver- Mean I Cooffi.
<br />DQteofo~- a" ..a Dls- a" M..n hy. Slope of c1tlDtof
<br />vatloD maxi. ""'I" veloo- water rough. Description of channel
<br /> mnm surfaoo ""'" ity draulic surface n",
<br /> depth width section mdiUll n
<br /> ------
<br />Feb. 7,1925 .. 1&1 21.9 29.8 0.73 ..50 0,00>527 .OM Couru, nearly straight; 330 foot long. Cross sution, some variation In
<br /> shape; for variation in size, see Figure 20, F.
<br />Mar. 16,1925 .. 19.8 .~, 4.6.1 ... 209 . 000503 .052 Side stopa, irregular. Bottom! Irregular. Soil, lower Jfart, black clay;
<br />Feb. 25,1926 U 29.' 100.1 114.5 .88 ... .000397 .em upper part, dark-gray silty cay loam. QmdiUon, ba y obstructed by
<br /> trees 2 to 12 inches in diameter covering side slopes, except intervals
<br /> "Mregating half length of right bank occupied by large weeds Bnd bushy
<br /> wi lows; no foliage. Comtruded, 1902: cl6ared, about 1910. (PI. 'D, A
<br /> and fig. 19, F.)
<br />Aug. ~UI24 ... ".0 67.1 71.0 .OS 260 . 000S91 0.0'70 ConditfOllh as described above, but with summer foliage, and three-fourths
<br />Inne ~lCm '.8 25.1 712 71.1.9 .00 282 . 000500 .072 of lengt of bottom covered with short weeds.
<br />~__..do__.___._ .. 26.. 85.6 ..., .89 3.15 ....... .074
<br />Aug. 21.1924 e. .... 120.4 124.8 .W &60 .....73 .080
<br />Aug.2(),Hr.M .. 40.8 ""-I 207.' ... 4.49 . 000503 ,097
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<br />Old Town Creek Dredged Channel near Tupelo, Mississippi. Approximate bottom
<br />width 10 feet. Picture taken 1914,
<br />
<br />
<br /> Aver- Aver- Aver- Moan I Cooffi.
<br />!Dateoro",.". ..a s~ DIs- a.. M..n hy. Slope of clent of
<br />maxi. veloc- water rough- Description of channel
<br />vatlon mnm -.. """ Ity draulic surface I n'"
<br /> depth width section radius n
<br /> --
<br />Mar. 5,1914 '.0 19.6 46.0 50.0 0." 2.28. O. 000358 0.052 Courle, straight; 1,224 feet lonf' OOB.! tection, slight and gradual varia-
<br />Mar. 20.1914 U 20.0 59.7 68.0 1.03 2.43 .000350 .047 tions in ShaFt'; for variation n size, see fig. 2, A, Side Ilopel, right side
<br />Apr. 17,1914 ..... 21,0 77.. 60.' 1.29 265 .000377 .041 l~lar, Ie t side very irregular. Bottom, irregular and uneven. Soil,
<br />Apr. 9,1914 .. 22.2 10ll.4 74.2 1.42 286 . 000292 .035 varies from black waxy clay at top to yellow clay at bottom. CondUion,
<br />Apr. 3,1914 .. 23.0 120.0 BO.O 1.50 2.00 .000312 .035 right side slope and part o( bottom practically covered with small MR'
<br />~r.13,19U e6 26.. 185.1 107.0 1.73 3.37 .000271 .032 lings, brush, and cane; occasional growthS o( vegetation on other si e
<br />ar.26,1914 67 26., 218.2 110.2 I." 3.42 . 00030. .030 slopes. Conltruded, Dec. 1907.
<br />Mar. 12,1914 7.1 27.' 240.0 120.0 2.00 '.l\3 .0002Il0 .029
<br />Mar. 26,19101 7.1 27.6 242.4 120.0 2.02 '.l\3 .0002i9 .029
<br />.....don....~ 7.' 28.0 260.' 127.0 2.05 '.5O . 000267 .029
<br />~,. 13,1914 &1 29.8 310.2 142.3 2.18 3.95 .000271 .028 Description of channel practically the same as the above, except (or re-
<br />ay 6,1914 11.6 37.6 710.2 "'-'0 268 '.70 .000346 .034 marks under G'bndiUon.
<br />Mar. 30,1914 12' 89.7 816.6 29.. 276 5.95 . 000268 .030 Condition, all brush, vegetation, and obstructions to flow were cleared
<br />May 6,1914 12.7 41,0 8822 307.' 287 e05 . 000346 .033 from the course of channel and for 500 foot above the up~r end of the
<br />.no......n... 113.0 n~.n.. n~n_'~'~ nnnn .~...n nnnn ...o..._n __n.n. course, and Cor the same distance below the lower end. ( 1. 1. B.)
<br />1 Average maximum depth d bantfulslage. 2
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