Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Entlastungsbauwerk-de#Sense
Relief structure-en#Sense
Scaricatore-it#Sense
Ouvrage de décharge-fr#Sense
Scaricatore di piena-it#Sense
Évacuateur de crue-fr#Sense