44 BULLETIN 120, U. S. DEPARTMENT OF AGRICULTURE. 
Table III. — Measurements of flow in concrete-lined canals giving hydraulic 
Canal and location. 
Shape of 
section. 
■3 
'% 
pj 
o 
o 
Oh 
4) 
A 
6 
M 
A 
o 
A 
1 
u 
3 
Slope of water 
surface. 
3 
1 
o 
Length tested. 
California — Continued . 
Santa Ana main canal, near Ana- 
heim. 
Trapezoidal. 
Feet. 
10 
Feet. 
Sec.-ft. 
27.16 
1.215 
.000321 
Feet. 
0.328 
Feet. 
1, 082. 8 
Modesto Irrigation District main 
canal, near La Grange. 
do 
20 
114.8 
1.381 
.001157 
0.874 
755.6 
Arroyo Ditch & Water Co.'s 
mam canal, near Whittier. 
do- 
3 
18.54 
0.951 
.001449 
1.449 
1,000 
Los Nietos Water Co.'s main 
canal, near Whittier. 
do 
2 
19.36 
.983 
. 001444 
0.971 
600.5 
