Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Weir-en#Sense
Overfald-da#Sense
Overflow dam-en#Sense
Überfallwehr-de#Sense
Barrage submersible-fr#Sense
Diga sommergibile-it#Sense
Presa sumergible-es#Sense
Diga sommerġibbli-mt#Sense
Barragem submersível-pt#Sense
Overfaldsbygvärk-da#Sense