Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3606003
Is Reference of Sondaggio di ricognizione-it#Sense
Erkundungsbohrung-de#Sense
Sondering-da#Sense
Efterforskningsboring-da#Sense
Sondaggio esplorativo-it#Sense
Sondage de reconnaissance-fr#Sense
Proefboring-nl#Sense
Exploring drilling-en#Sense
Untersuchungsbohrung-de#Sense