Bulletin 831, U. S. Dept. of Agriculture. 



Plate XV. 





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Fig. !. — Outlet opening for Overpour Spillway at South End of Sweet- 

 water Dam, California. 



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Fig. 2— Sweetwater Dam as Completed after the Flood of 1915. 



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. 



