spillway
structure for controlled release of flows from a dam or levee
Ashland Dam and Spillway
dam in Ashland, Massachusetts
bell-mouth spillway
type of spillway
Stepped spillway
dam spillway that diasppates energy via staggered levels
Argent-Double Aqueduct
bridge in La Redorte
Pompton Dam
dam in Passaic County, New Jersey, United States of America
siphon sluice
water management device used on the Canal du Midi, France