Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Overlaat-nl#Sense
Évacuateur de crues-fr#Sense
Scolmatore-it#Sense
Aliviadero-es#Sense
Déversoir-fr#Sense
Überlauf-de#Sense
Spillway-en#Sense