FLOW OF WATER IN DREDGED DRAINAGE DITCHES. 



21 



Distance along S/ope Course in feet 



500 1000 



+20 

























































1^4 









£**.. 





















-20 











































+20 















— t— 











/ 



\ 







i . 











■"V,, 







^*~^ 



. 





.j-- 



**». 



*, % 





^T"—' 









_..--- 







-20 





"*■ 

































. 



BOGUE PHALIA 



Average Maximum Depth 



4.2 



Il.l 



14.8 



BOGUE HASTY 



2.6 

 9.5 



PECAN BAYOU 



4.4 — — 

 7.0 — — — 



| + 40 

















■ ' * 



















.5 +20 























.-•' ( 











.. 



•^ 







*' 











i>' 



*\X 



, > 







*v 





.<•/ 





£-20 



\ 













/ 



















■ 



t 40 



































D 

 WEST BOGUE HASTY 



2.6 



5.8 — — 



♦40 



























-20 





/ 



*. 













ss 



























4 











-/0 



























-40 



























EAST BOGUE HASTY 



2.5 



4.6 

 6.4 



Fig. 4.— Graphs for experiments in Bolivar County, Miss., showing per cent variation from average cross- 

 sectional area for all cross sections along slope courses. 



