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<br />Ditch No, 19 near Winchester. Arkansas, Approximate bottom width 45 feet,
<br />Picture taken July 1926,
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<br /> Aver- AVer- Aver- Moan enem.
<br />Dateolobse.r- "". D.- "". Moan hy- Slopeo! cientel
<br />marl- 8U~ce veloe- water rough- Description ot channel
<br />vattoD mum charge '"'''' ity drawlc surface u","
<br /> depth width section rndl", n
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<br />May 13, uns &0 98.. 447.1 M8.6 0.82 5.39 0.0000:/81 0032 Couru, straight; 1,600, feet long. CrCU8 8~clI01l, some variation in shag:;
<br />May 12,192.'i 8.' 100.2 ""'.2 577.6 1.19 '.80 ,()()()()597 .03' for variation in size, see fig. 15, C. Side dopes, Irregular. Bottom, fat af
<br />lan. 23,1926 11.7 116.2 1,38.5.5 949.7 ..46 7.84 . 0000937 .042 IrregullU'. Soli, upper, clay and sandy loam; lower, silty clay. CondE-
<br />Jan. 25.1926 11.7 116.3 1,4M.l 951.6 1.63 7.85 . 0000044 .041 lion, some silting in channel; thick growth of wUlows and cottonwood
<br />Nov. ~1'" 13.0 124.9 1,536.2 1,110.9 1.38 8.62 . 0000962 .OW trees cover most clleft bank and about half alright bank; very little under.
<br />..nn___w__... 116.0 __n..~. nw.___... nw._.n _w.nn _hnn_ ......---. ........ growth, due to pasturing; grass on slopes; lower part of channel compara.
<br /> tively free from vegetation, except for some willows on smnll islands near
<br /> upper end or course. Clmltructed, February, 1918. (PI. 18. A and fig.
<br /> 14,C.)
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<br />1 Average ma:r.imum depth at bankful stago.
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<br />Bogue Phalia Dredged Channel near Helm. Mississippi.
<br />45 feet. Picture taken in 1915,
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<br />Approximate bottom width
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<br /> Aver. Av!'r. Aver. M..n Coeffi.
<br />Date of obser- "". ... Dls. "". Moan by- Slope of elentof
<br />mall- veloc- water rough. Description of channel
<br />vat-Ion mum surface charge '''''' Ity drsulie surface n,,,,
<br /> depth widtb section radius n
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<br /> &cond- Ft.""
<br /> Fed Fut fed 8o.n. &el:. Fed
<br />Jan. 14, 19Ui '.20 67.6 468.' Ul2.0 2.44 3.a 0.0002ll7 om. C'ottrle, straight; 1,003 fret Jong. CraB! ,eclion';;:llittJe variation in shape:
<br />Feb. 13,1916 6.20 83.3 678.4 320.0 2.12 4,61 .oooUi9 .026 for variation in size, see fi~ 4, A; Side, , left side, ~u1te regular;
<br />Feb. 1l.1916 8." 68.6 1106.. 440.0 2.06 '.N .000132 .028 right side, fairly regular. ottom, smooth and even. &f, lower P.art.
<br />Feb. 10,1915 9.46 '16 1,102.1 ....0 2.06 6." .000118 .029 sandv clay loam; upper part, clay loam of close texture. Condition,
<br />Feb. 9,1916 10.86 76.6 1,363.2 640.0 213 7.49 .000104 .029 excellent, very little vE'Eetation of any sor~wer part of channel more
<br />Jen. 27,1915 11.10 77.3 1,636.9 657.0 2.49 7.67 .000127 .m uniform and l'('gular t an upper part. ,tructed, May,1913. (PI.
<br />Feb. 8,1915 1220 79.8 1,650.0 750.0 2.20 8.38 .000102 .030 3, A and fig. 3, A.)
<br />Feb. 2,1916 14.80 86.1 3,14-2.8 970.0 3.24 10.00 .000195 .031
<br />Feb. 4,1916 14-.80 "'1 2,929.4- 970.0 3.02 10.00 .000165 .031
<br />__n._._U""_ 118.00 ___.n__ ....nn__ ---..... n..n. __n_u. .uw__.___ .00---..
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<br />1 Average maximum deptb at bankl!11 stage.
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