Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3606003
Is Reference of Trial pit-en#Sense
Sondierschacht-de#Sense
Boorgat-nl#Sense
Puits de sondage-fr#Sense
Pozzo di assaggio-it#Sense
Borehul-da#Sense