Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Hangkanal-de#Sense
Canal de garde-fr#Sense
Canal interceptor-es#Sense
Contour canal-en#Sense
Contour ditch-en#Sense
Canal collecteur et de dérivation-fr#Sense
Canal de derivación-es#Sense
Fosso di guardia-it#Sense
Canale collettore-it#Sense
Canal colector de aguas de cabecera-es#Sense