Jul. 1 94, U. S. Dept. of Agricultur 
Plate XIV. 
Fig. 1.— Small New Ditch in Louisiana. iNo. 190. 
Fig. 2.— Boulder and White Rock Ditch, Colorado. 
(Xo. 192— Upstream from Station 2.) 
Fig. 3.— Billings Land & Irrigation Co. Canal, Montana. 
(No. 193— Upstream from lower end of reach.) 
