Bui. 376, U. S. Dept. of Agriculture. 
Plate XIII. 
Fig. 1.— Siphon Under Union Pacific Railroad, Rock Creek Conservation Co., 
Wyoming. 
Form lor inlet bowl to reduce entry loss. Pipe under construction in distance. See figures 
2 and 3. 
Fig. 2.— Form for Bowl, Floor Reinforcement, and Cast-Iron Pipe for InletSection 
for Structure in Figures 1 and 3. 
Fig. 3.— Siphon Inlet Made from Form Shown in Figures 1 and 2. Entrance well 
Submerged, Preventing Air Being Carried into Pipe. 
