Bui. 852, U. S. Dept. of Agriculture. 



Plate II. 



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 iorms. (Pipe No. 20.) 



Fig. 3. — Gauge on Di Line, Umatilla Project, U. S. Reclamation Service, 

 Oregon. (Pipe No. 23.) 



Shows mercury manometer (A); stufling box (B); piezometer tubing (C); color reservoir (D); color 



gun (E); and pump (J?). 



