Bui. 852, U. S. Dept. of Agriculture. 



PLATE VIII. 



Fig. I. — Flow Line on Victoria Aqueduct. 



Interior photographed before grouting joints. Spots 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. 



