Bui. 852, U. S. Dept. of Agriculture. 
Plate 
Fig. I. — Weir at Intake of Bishop Lateral, British Columbia Fruitlands 
Co., Kamloops, British Columbia (No. 17). 
Note hook gauge and stilling box. 
Fig. 2. — Outlet of Clavey Siphon, Oakdale Irrigation District, 
California. 
Note ridges left by imperfect wood forms, also hardened scraps of concrete stuck to bottom, also 
belting ridges at ends of forms. (Pipe No. 20.) 
Fig. 3. — Gauge on Di Line, Umatilla Project, U. S. Reclamation Service, 
Oregon. (Pipe No. 23.) 
Shows mercury manometer (A); stuffing box (B); piezometer tubing (C); color reservoir (D); color 
gun (E); and pump (F). 
