CONCRETE LINING FOR IRRIGATION CANALS. 
measurements — Continued . 
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. 
2.07 
4.22 
2.22 
Cu. feet. 
First one-half in 
slight cut with re- 
mainder somewhat 
silted, especially in 
last 2 miles. 
Lateral was in poor 
condition; deposit 
of silt inside; levees 
partially weedy. 
[Soil varied with 
< strata of silt and 
I clay. 
Report J. E. Road- 
house, O. E. S. 
Bui. 158, Sep. No. 
3, 1904. 
do 
[....do 
do 
Measured June 7, 1903. 
Measured Julv 8, 1903. 
}2.43 
} 2.07 
2.00 
1.05 
Measured in 1903. 
Do. 
9.40 
7.80 
.90 
1.00 
4.10 
5.00 
8.50 
5.70 
12.60 
13.70 
8.00 
15.50 
54.00 
16.40 
24.80 
15.30 
1.10 
2.90 
3.40 
3.80 
.45 
3.09 
(Canal in gravelly 
\ creek bed. 
(Report Samuel For- 
\ tier, O. E. S. Bui. 
{ 207, 1909. 
. do.... 
[Measured July 31, 1906. 
Measured Sept. 8, 1906. 
Measured Aug. 1, 1906. 
Measured July 25, 1906. 
(Heavy clay loam, 
I puddled by domes- 
( tic animals. 
do 
[Same section, but 
< much less pud- 
{ dling. 
do 
[....do 
do 
[....do 
...do 
Measured July 10, 1907. 
Measured July 30, 1907. 
.do 
Measured July 26, 1906. 
...do 
Measured Sept. 8, 1906. 
In an open gravelly 
soil, apparently 
former bed of Cache 
Creek. 
do 
do 
Measured July 19, 1906. 
Measured Aug. 11, 1906. 
Measured July 5, 1906. 
do.... 
..do.... 
Measured July 17, 1906. 1 
Canal" in old creek 
bed of wash gravel. 
do 
do 
do 
do 
do .. 
Measured July 5, 1906. 1 
Measured Julv 24, 1906. 1 
Measured Julv 5, 1906. 1 
Measured Aug. 9, 1907. 
Measured Aug. 9, 1907. 
Tight diversion weirs. 
Measured Aug. 11, 1907, from 
do 
do 
....do 
do 
Winters to State Farm, 
Davis. 
Measured in 1907. Flowing 
8.65 
1.06 
do 
do 
(Report Frank 
\ Adams, O. E. S. 
1 Cir. 108, 1911. 
(Report C. E. Grun- 
1 sky, U. S. G. S. 
) Water -Supply 
I Paper No. 18, 1898. 
l....do 
about 100 second-feet at 
upper end of section; canal 
designed to carry 8 times 
this^capacity. 
[Measured in 1908. 
• 4.32 
2.25 
Light sandy loam 
[Indurated clay hard- 
< pan below surface 
[ soil. 
Hardpan bed 
J-Measured in 1882. 
' 
Do. 
do 
Do. 
2 Ave 
40.8. 
