CONCRETE LINING FOR IRRIGATION CANALS. 
measurements— Continued . 
13 
Loss per mile. 
Loss per 
square 
foot of 
wetted 
area in 
24 hours. 
Character of material 
in the channel. 
Source of informa- 
tion. 
Maxi- 
mum. 
Mini- 
mum. 
Mean. 
Remarks. 
Per 
cent. 
Per 
cent. 
Per 
cent. 
1.21 
1.48 
Cu. feet. 
1.88 
3.66 
.15 
1.50 
2.54 
2.51 
2.56 
. 72 
1.46 
[Soil deep and slight- 
< ly sandy. Numer- 
[ ous rock cuts. 
do 
Report Elias Nelson, 
Idaho Expt. Sta. 
Bui. 58, May, 1907. 
....do 
\ Measured June 9, 1906, Milner 
| to Dry Creek Reservoir. 
/Measured Aug. 6, 1906, Milner 
\ to Dry Creek Reservoir. 
Measured June 11, 1906, Dry 
Bottom becoming 
silted. 
Mostly soil; few rock 
cuts. 
Mostly soil; few rock 
cuts near lower 
end. 
do 
1.01 
1.03 
1.13 
.60 
.20 
.40 
do 
Creek Reservoir only. 
Measured June 12, 1906, Dry 
do 
do 
Creek Reservoir to within 
3J miles of end of canal. 
Measured Aug. 6, 1906. In- 
cludes upper 8.07 miles of 
preceding measurement; 
Dry Creek Reservoir to 
spillway. 
Measured Aug. 8, 1906, spill- 
way to near end of canal. 
Backwater condition in 
lower end of section. 
Measured July 20, 1912; from 
Deep uniform clay 
loam. 
do 
do 
do 
Report D. H. Bark, 
9th Biennial Re- 
port State Eng. 
Idaho, 1911-12. . 
do 
do 
Low Line Canal to point 
5.35 miles above. Good 
lower bank; comparatively 
clean uniform cross section 
and grade; used 7 years. 
Measured July 18, 1912, from 
"The Point" to 2.7 miles 
below Dry Creek Reser- 
voir. Good lower bank; 
clean uniform cross section; 
used 7 years. 
Measured July 18, 1912, the 
do 
first 2.65 miles below Dry 
Creek Reservoir. Good 
lower bank; clean uniform 
cross section; used 7 years. 
Measured July 15, 1912; Dry 
Creek Reservoir only. 
Measured July 15, 1912. Up- 
per end of section is 3J 
miles below Milner. Banks 
somewhat eroded; upper 
bank gone in places; nu- 
merous pools above upper 
bank; used 7 years. 
Measured July 14, 1912. Up- 
.90 
1.60 
1.580 
1.590 
2.680 
3.905 
6.338 
1.62 
1.65 
1.48 
Deep uniform clay 
loam with some 
rock cuts. 
Uniform clay loam 
with numerous 
rock cuts. 
Heavier than along 
main canal. Some 
rock cuts. 
do 
do 
do 
do 
Report Elias Nelson, 
Idaho Expt. Sta. 
Bui. 58, May, 1907. 
do 
do 
per end of section is at Mil- 
ner wagon bridge. Banks 
badly eroded; numerous 
pools above upper bank; 
no surface indication of 
seepage; used 7 years. 
Measured June 15, 1907, sta- 
tions 359 to 697. Waste wa- 
ter (6.8 second-feet) in ad- 
dition to inflow; first used 
June, 1905. 
Measured June 18, 1907, sta- 
tions 697 to 1204§. First 
used, upper part, June, 
1905; lower part, April, 
1906. 
Measured June 19, 1907, sta- 
tions 697 to 1534. 
