Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Spillway tunnel-en#Sense
Galerie de l'évacuateur de crue-fr#Sense
Galleria di scarico dello sfioratore-it#Sense
Hochwasserentlastungsstollen-de#Sense
Entlastungsstollen-de#Sense
Galerie d'évacuation de crue-fr#Sense