Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831
Is Reference of Écoulement d'infiltration sous le barrage ou sous le rideau de palplanches-fr#Sense
Seepage beneath a dam or around lower edge of a cutoff wall-en#Sense
Unterstroemung-de#Sense
Onderloopsheid-nl#Sense