40 BULLETIN 126, U. S. DEPARTMENT OP AGRICULTURE. 
Table III. — Measurements of flow in concrete-lined canals giving hydraulic 
Canal and location. 
Idaho. 
Ridenbaugh, Boise Valley. 
King Hill, Snake River. 
Boise Main Canal, section No. 2, 
Boise Valley. 
Boise Main Canal, section No. 3, 
Boise Valley. 
Boise Main Canal, section No. 4, 
Boise Valley. 
New York Canal, Payette-Boise, 
Ridenbaugh, Boise. 
Do 
Twin Falls North Side, near Mil- 
ner. 
Umatilla, U. S 
Service project 
Oregon. 
S. Reclamation 
Do. 
Shape of 
section. 
[Trapezoidal 
\ slopes 1| 
I tol. 
(Trapezoidal 
\ slopes 2 
to 1. 
[Trapezoidal 
\ slopes 1J 
tol. 
}....do... 
>....do 
Trapezoidal , 
....do 
.do. 
Nearly rec- 
tangular. 
Trapezoidal 
slopes l£ 
tol. 
Semicircular 
Feet. 
10 
40 
40 
39.6 
10 
10 
1.5 
4. 'J 
4.9 
I 4.! 
.14.9 
i Radius. 
Feet 
4.24 
4.28 
4.35 
4.30 
4.58 
4.15 
2.1 
1.62 
1.62 
1.62 
5.6 
2.7 
3.2 
Sec.-ft. 
294 
294 
294 
294 
318 
50 
103 
230 
382 
50 
103 
230 
382 
376 
318 
59 
92. 
54.5 
54.8 
54.6 
316 
1,027 
476 
245 
119 
1,209 
1,011 
470 
470 
238 
238 
1,027 
456 
1,824 
221 
316. 
205 
205 
205 
205 
2.75 
2.76 
2.81 
2.81 
2.96 
2.69 
1.30 
2.13 
2.73 
3.29 
1.30 
2.06 
2.72 
3.24 
3.11 
2.90 
1.37 
1.71 
1.25 
1.25 
1.25 
2.14 
3.88 
2.64 
1.95 
1.44 
4.22 
4.33 
2.45 
2.65 
1.87 
2.09 
3.64 
2.89 
5.23 
2.54 
2.91 
58 
2.13 
2.17 
2.15 
2.12 
0.000237 
.000262 
.000170 
. 000237 
. 000245 
.000242 
. 000187 
. 000452 
. 000448 
. 000450 
.000300 
. 000388 
. 000362 
. 000288 
. 000288 
. 000312 
. 000263 
. 000334 
. 000246 
. 000300 
. 000204 
,000316 
000147 
0001611 
000251 
000283 
. 00140 
. 00167 
00273 
00177 
Feet. 
0.114 
058 
.401 
.408 
.358 
0.121 
.167 
.248 
.415 
300 
.757 
.353 
0.097 
2.132 
652 
.6 
1.9 
Feet. 
484 
875 
340 
1,699 
1,665 
1,478 
1,000-2,400 
1,000-2,400 
1,000-2,400 
1,000-2,400 
1,000-2,400 
1,000-2,400 
1,000-2,400 
1,000-2,400 
1,000-2,400 
1,000-2,400 
1, 000-2, 400 
650 
369 
556 
925 
1,000 
1,000 
1,000 
1,000 
1,000 
1,000 
2,400 
2,400 
2,400 
2,400 
2,400 
2,400 
2,400 
602 
901 
1,020. 
1,900 
932 
640 
120 
220 
1.075 
