Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Retained water level-en#Sense
Niveau de retenue-fr#Sense
Στάθμη ύδατος στον ταμιευτήρα-el#Sense
Stuwpeil-nl#Sense
Stuvningshøjde-da#Sense
Impounded water level-en#Sense
Stauspiegel-de#Sense
Livello di ritenuta-it#Sense