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



Plate XIV. 



Fig. 1.— Small Nev/ Ditch in Louisiana. (No. 190.) 



Fig. 2.— Boulder and White Rock Ditch, Colorado. 



(No. 192— Upstream from Station 2.) 



FiQ. 3.— Billings Land & Irrigation Co. Canal, Montana. 

 (No. 193 — Upstream from lower end of reach.) 



