CONCRETE LINING FOR IRRIGATION CANALS. 



measurements — Continued. 



35 



Loss per mile 



Maxi- 

 mum 



Mini- 

 mum 



Mean 



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. 

 20.00 



i.90 



Cu. feci. 



6(5.00 



15.70 

 19.80 

 40.00 



9.80 

 77.40 



6.30 



2.90 

 2.10 

 1. 



1.40 



1.50 

 1.20 

 1.80 



2.90 

 1.80 



1.70 

 1.00 



.65 



Sandy loam . 



1.04 



Channel coated with 

 thick layer of clay. 



Gravel and black 

 loam. 



....do 



Records of office 

 State engineer of 

 of Utah. 



....do 



Sandy loam . 



do 



....do 



.do. 



Gravel and black 

 loam. 



Sand and gravel 



J sandy loam ; J river 

 worn gravel and 

 bowlders, 2 inches 

 to 2 feet in diameter 



Sandy loam 



River rocks and 



sandy loam . 

 Clay and blue slate 



rock points. 



Mostly coarse gravel 

 covered with soil 

 4 to 9 inches deep. 



Mostly seamy ba- 

 saltic rock. 



.do. 



.do. 



.do. 

 .do. 

 .do. 



.do. 



.do. 

 .do. 



.do. 

 .do. 

 .do. 



Report O. L. Waller 

 O. E. S. Bui. 104, 

 1900. 

 (Report S. O. Jayne, 

 i O. E. S. Bui. 188. 



.do. 



.do. 



.do. 



.do. 

 .do. 

 .do. 



.do. 

 .do. 



.do. 



.do. 

 .do. 



.do.. 



Report J. C.Stevens, 

 Trans. Am. Soc. 

 C. E., vol. 71, p. 

 339, 1909. 



....do 



5 feet fall. 



2 feet fall, ground saturated 

 from recent rains. 



1 foot faU. 



2 feet fall. 



2 feet fall. 



3 feet fall. 



4 feet fall. 



2 feet fall, flowing a much 

 larger stream a few hours 

 before. 



2 feet fall. 



7 feet fall. 

 2 feet fall. 



21 feet fall. 

 3 feet fall. 

 7 feet fall. 



Measured Oct. 31, 1900. 



Measured Sept. 9, 1904, De 

 Moss's bridge to flume No.l 

 (Measured May 11, 1906, De 

 \ Moss's bridge to flume No.l 

 (Measured Sept. 27, 1906, De 

 \ Moss's bridge to flume No.l 

 (Measured Oct. 16, 1906, De 

 \ Moss's bridge to flume No. 1 

 (Measured Sept. 27, 1906, 

 \ flume No. 1 to flume No. 2. 



Do. 

 /Measured Sept. 9, 1904, flume 

 I No. 1 to flume No. 3. 

 (Measured May 11, 1906, flume 

 \ No. 1 to flume No. 3. 

 Measured Oct. 16, 1906, flume 



No. 2 to flume No. 3. 

 /Measured July 3, 1906, flume 

 \ to Butterfield's bridge. 

 (Measured Aug. 21, 1906, flume 

 \ to Butterfield's bridge. 

 Measured Aug. 21, 1906, flume 

 to northeast corner section 

 21. 

 Measured July 0, 1906, ceme- 

 tery to Rankin hopyard. 

 Mean of continuous measure- 

 ment, Apr. 16 to Sept. 15- 

 1909. From intake to 3C 

 mile station. 

 Mean of continuous measure- 

 ment, Apr. 16 to Sept. 15, 

 1909. From 30-m ile station 

 to 48-mile station. 



