Bui. 1 94, U. S. Dept. of Agriculture. 
Plate XVI. 
Fig. 1.— Lateral 10. Arizona Canal, United States Reclamation Service, 
Arizona. 
(Xo. 213 — Upstream from Meter Station 7. ) 
Fig. 2.— Beech Canal, Imperial Valley, California. 
(Xo. 215 — Upstream from Meter Station 10.) 
Fig. 3.— Lower Canal, Riverside, Cal. 
(Xo. 224 — Upstream from Station 2.) 
