Subject ASC0001f70
The Quarterly journal of the Geological Society of London.
v.21 (1865), Page 464 (1865)
Smithsonian Libraries
BHL Page 34892142
Keywords
Gravel sand chalk Weald clay Hastings sand Green sand. map geology Medway R. Basin of the Medway Sevenoaks East Malling Heath Maidstone Tunbridge Wels East Grinstead lower greensand Weald Wealden area wealden clay Medway river Gault Valley landscape Kent cross-section Section Boxley Medway Basin