Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Vertedouro-pt#Sense
Getrapte overloop-nl#Sense
Cascade spillway-en#Sense
Évacuateur à gradins-fr#Sense
Overløb med trin-da#Sense
Trappstegsutskov-sv#Sense
Kaskaden-Ueberlauf-de#Sense
Ueberlauf mit Stufen-de#Sense
Descarregador em degraus-pt#Sense
Sfioratore con canale di restituzione a gradini-it#Sense
Stepped spillway-en#Sense
Porrastettu tulva-aukko-fi#Sense