FLOW OF WATER EST DREDGED DRAIXAGE DITCHES. 



49 



Distance a/ong S/ope Course in feet 



100 200 300 



+20 



^ 







\ 













,A 



i 



i > 



' ' % 





-20 





< 











*20 















n 



. i 



>/ 



*s 





w 







-1A 















— 



+60 



£+40 



"t>+20 

 .* 



I ° 



4-20 

 3,-40 

 1 



I 

 •5+60 



»:^4o 



I 



1-20 



ft 



' % H 



.40 



S3 



^ 



v 



7" 



2l 



46O 











+40 











+2G 







\\ 













\\ ! yr~ 



-20 





/ \ 













A 



TURKEY BRANCH CHANNEL 



Ayerage Maximum Depth 



0.95 



B 

 BA£K SWAMP CHANNEL 



2.5 

 5.7 



c 



JACOB SWAMP CHANNEL 



at Lovett Road 



0.9 



3.2 — — 



D 



LITTLE JACOB SWAMP CHANNEL 



0.65 



2.2 



E 



JACOB SWAMP CHANNEL 



atN.&C.R.R. 



1.1 



3.4 



Fig. 10. — Graphs for experiments in North Carolina, showing percent variation from average cross-sectional 

 area for all cross sections along slope courses. 



