f 
Bul. 1358, U. S. Dept. of Agriculture PLATE XIII 
F 187536 
Fic. |.—A WELL-CONSTRUCTED SPILLWAY 
The spillway floor is bedrock. The passageway for water is wide and flat, and the end of the 
embankment is protected by rockwork 
F170424 
Fic. 2.—A FLOOD-SCARRED BUT SUCCESSFUL CONCRETE SPILLWAY ABUT- 
TING A RIPRAPPED EARTHEN DAM 
Concrete spillways are paying investments at large important reservoirs located in drainages 
frequented by heavy floods 
