Bulletin 831, U. S. Dept. of Agriculture. 
Plate XV. 
Fig. I. — Outlet Opening for Overpour Spillway at South End of Sweet- 
water Dam, California. 
Fig. 2— Sweetwater Dam as Completed after the Flood of I9I5. 
The outlet side of the battery of six siphons is shown in the picture on the left-hand side of the dam. 
This was added as additional spillway after the flood had cut a channel where the siphons are 
now located. 
