Bui. 376, U. S. Dept. of Agriculture. 
Plate III. 
Fig. 1.— Alignment and Profile of Siphon, Burbank Co., Washington. (No. 40.) 
Fig. 2.— Mercury Manometer (Gauge 1) Attached to Side of Cowiche Siphon 
(No. 42), Yakima Valley Canal, Washington. 
See note on figure 1, Plate IV. 
Fig. 3.— Current Meter Station Below Outlet to Pipe No. 42. 
A concrete slab, marked every 0.5 foot. 
