Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Falda freatica-it#Sense
Acque sotterranee-it#Sense
Grundwasserspiegel-de#Sense
Ground water flow-en#Sense
Acque freatiche-it#Sense
Grundwasser-de#Sense
Ground water level-en#Sense
Nappe phréatique-fr#Sense
Eaux phréatiques-fr#Sense
Eau souterraine-fr#Sense
Grundwassefluß-de#Sense
Aguas freáticas-es#Sense
Ground water-en#Sense