Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Kolkvertiefung-de#Sense
Scour-en#Sense
Scoured hole-en#Sense
Fossa de erosão-pt#Sense
Fossa d'erosione-it#Sense
Fosse d'affouillement-fr#Sense
Socavón-es#Sense