CONCRETE LINING FOR IRRIGATION CANALS. 



measurements — Continued. 



25 



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. 

 9.60 



5.40 



3.90 



.81 

 .79 



1.16 



.45 



.32 

 .11 



1.46 



2.77 

 15.52 



1.50 



.76 



1.83 



2.07 



.88 



1.06 

 1.15 



Cu. feet. 

 2.88 



1.16 



.41 



I 



Clay loam slightly 

 mixed with gravel. 



Sandy loam mixed 

 with small amount 

 of gravel. 



(Acadia silt loam and 

 \ heavy yellow clay. 



6 miles sandy loam; 

 5 miles heavy clay; 

 remainder light 

 sandy loam. 



Report D.H.Bark, 

 9th Biennial Re- 

 port State Engi- 

 neer, Idaho, 1911- 

 12. 



do 



Measured Sept. 3, 1912, 2 







miles north of Downey. 

 Clean uniform cross - sec- 

 tion; water level in ditch 

 about same as ground sur- 

 face; used 1 year. 

 Measured Sept. 3, 1912, 2 







do 



miles north of Downey. 

 Clean uniform cross - sec- 

 tion ; carrying less than one- 

 fourth capacity; uniform 

 grade; used 1 year. 

 Measured Sept. 3, 1912, 2 







(Report W. B. Greg- 

 ory, Journal Assn. 



\ Eng. Societies, vol. 

 49, No. 1, July, 



I 1912. 



Report Samuel For- 

 tier, O. E. S. Bui. 

 172, 1906. 



do 



miles north of Downey. 

 Uniform cross-section; car- 

 rying very small part of 

 full capacity; used 1 year. 



Measured Aug. 7, 1911 .from 

 *> Benoit flume to Lyons 







/ 







Point flume. 



Measured Aug. 9-13, 1900 

 from Tilden's ranch to Hes 

 per farm. 



Measured June 10-13 1902 

















do 



Received some inflow from 

 High Line Canal and irri- 

 gated lands. 

 Measured Aug. 4-6, 1902. Re- 

 ceived some inflow from 

 High Line Canal. 











do 











do 



some inflow from both the 

 High Line and the Yellow- 

 stone canals, and irrigated 

 lands. 

 Measured 1903 









do 



Do. 











do.... 













do 



heavy inflow from canals 

 and irrigated lands above 

 it. 

 Do. 











do.... 



Measured 1903. A large in- 

 crease in this section in 

 third and fourth miles from 

 head due wholly to seepage. 











do 











...do.... 



Do 











...do.. 



Measured July 18-20, 1900. 

 No canals or irrigated lands 

 to affect this section by 

 waste water. 











do.... 











...do 



No canals or irrigated lands 

 to affect this section by 

 waste water. 













irrigated lands to affect this 

 section by waste water. 



