Bui. 852, U. S. Dept. of Agriculture. 
PLATE VIM. 
Fig. I. — Flow Line on Victoria Aqueduct. 
Interior photographed before grouting joints. Snots of sunlight 
come through "soup holes " in top of pipe line. 
Fig. 2. — Ri Line, Umatilla Project, U. S. Reclamation Service, Oregon. 
(Pipes Nos. 32 and 33.) 
Inlet at end of clearing in distance. This line under 110 feet of pressure head. 
