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



Plate VIII 



Fig. 1.— Swalley Ditch Flume, Oregon. 



(Nos. 84 to 87, inclusive— Downstream from Station 0. Total reach extends to distant tangent.) 



Fig. 2.— Jacobs Ditch, Boise, Idaho. 



Note trash rack at culvert. (No. 113— Downstream from Station 0.) 



Fig. 3.— Jacobs Ditch, Idaho 



Note uuplastered walls. (No. 116 — Upstream from Station 1.) 



