CONCRETE LINING FOR IRRIGATION CANALS. 



measurements — Continued . 



27 



Loss per mile. 



Maxi- 

 mum. 



Mini- 

 mum. 



Loss per 

 square 

 foot of 

 wetted- 

 area in 

 24 hours. 



Character of material 

 in the channel. 



Source of informa- 

 tion. 



Remarks. 



Per 

 cent. 



Per 

 cent. 



Per 



cent. 

 3.67 



.61 



4.85 

 7.92 



1.7 

 1.57 



2.78 



Cu. feet. 



4.57 



2.96 

 1.49 



18.7 



Gravelly . 



First mile along a 

 very rocky and in 

 places steep hill- 

 side. 



Extremely rough 



.do. 



Rough in places, nat- 

 ural channels in 

 places, some silt- 

 ing where grade is 

 light. 



Rock cut . 



Rock cut first 2 

 miles; remainder 

 in earth, with 

 small rock cuts at 

 intervals. 



Earth, with small 

 rock cuts at inter- 

 vals. 



Mostly cement grav- 

 el and bowlders. 



Report Samuel For- 

 tier, O.E.S. Bui. 

 172, 1906. 



....do.... 



Report Samuel For- 

 tier, O.E. S. Bui. 

 104,Sep.No.4,1900. 



....do 



Report F. L. Kent, 

 O. E. S. Bui. 158, 

 Sep. No. 4, 1904. 



.do. 



Report A. P. Stover. 

 O. E.S.Cir. 67. 



.do. 



.do. 

 .do. 



.do. 



.do. 



.do. 



Measured 1903. Some inflow 



Measured 1903. Seepage in- 

 flow from creek channels 

 and narrow irrigated val- 

 leys. 



Measured June 27, 1900. 



Measured July 21-23, 1900, 

 from headgate to north line 

 of Grantsdale. 



Measured July 15, 1904, up- 

 per end of section 600 feet 

 below Lost River flume. 

 Grade, 1.8 feet per mile. 



Measured July 16, 1904, up- 

 per end of section, 300 feet 

 below Lost River flume. 

 Grade, 0.7 foot per mile. 



Measured Aug. 20, 1904, up- 

 per end of section, 200 feet 

 below power plant. 

 Doubtless heavy loss in 

 first mile. 



Measured Sept. 5, 1905. 

 Heavy grade, numerous 

 natural drops. Stations 

 75+100 to 184+50. 



Measured Sept. 5, 1905. 

 Heavy grade, numerous 

 natural drops. Stations 

 184+50 to 281+40. 



Measured Sept. 8, 1905, sta- 

 tions 71+00 to 228+90. 



Measured Sept. 8, 1905, from 

 stations 22S+90 to 322+90. 



Measured Sept. 8, 1905, from 

 stations 322+90 to 630+00. 

 Heavy grade first one- 

 third section; remainder 

 light grade. 



Measured Sept. 8, 1905, from 

 stations 630+00 to 760+00. 

 Channel entirely in cut; 

 grade light. 



Measured Sept. 6, 1905, from 

 station 34+75 to 170+50. 

 Bottom well silted; new 

 channel; dry for some time; 

 porous. 



Measured Sept. 6, 1905, from 

 station 170+50 to 285+50. 

 New channel in good con- 

 dition; dry for some time; 

 lower end of section well 

 silted. 



Measured July 20, 1905, head- 

 gate to waste gate No. 2. 

 New channel; only slightly 

 silted; grade uniform. 



