Bui. 194, U. S. Dept. of Agriculture 
Plate IX. 
Fig. 1.— Orr Ditch, Reno, Nev. 
(No. 117— Upstream from Station 1 plus 30. Station is at bridge shown.) 
Fig. 2.— Farmers' (Tristate) Canal, Nebraska. 
(No. 120— Downstream past Meter Station 6.) 
Fig. 3.— Farmers' (Tristate) Canal, Nebraska. 
(No. 120 — Portable rating car and meter station.) 
