Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6611001
Is Reference of Roof-en#Sense
Hangendschichten-de#Sense
Top strata-en#Sense
Couches susjacentes-fr#Sense
Techo-es#Sense
Overlying series of strata-en#Sense