The file attached below describes the Hydrogeology of Redington Frognal:
http://www.redfrogassociation.org/wp-content/uploads/2020/09/Hydrogeology.pdf

The file attached below describes the Hydrogeology of Redington Frognal:
http://www.redfrogassociation.org/wp-content/uploads/2020/09/Hydrogeology.pdf