Bui. 376, U. S. Dept. of Agriculture. 
Plate IV. 
Fig. 1.— Cowiche Siphon (No. 42), Yakima 
Valley Canal Co., Washington. 
Fig. 2.— Main Line, Pasco Reclama- 
tion Co., Washington (No. 37). 
Typical Alignment and Profile. 
Fig. 3.— Trunk Line, Mohawk Hydro-Electric Co., New York (No. 50). Typical 
Alignment and Profile. 
