Bui. 194, U. S. Dept. of Agriculture. 



Plate IX. 



Fig. 1.— Orr Ditch, Reno, Nev. 

 (No. 117 — rpstream frum Station 1 plus 30. Station is at bridge shown.) 



Fig. 2.— Farmers' (Tristate) Canal, Nebraska. 

 (Xo. ]2ii— Downstream past Meter Station (J.) 



Fio. 3.— FARMERS' (Tristate) Canal, Nehhaska. 

 (No. 120— PorUiblu ruling cur mid iii<-i<t hialloii.) 



