Subject ASC0001frn
The Quarterly journal of the Geological Society of London.
v.7 (1851), Page 283 (1851)
Smithsonian Libraries
BHL Page 34983984
Keywords
geology Geology Gravel Beds Locknor cutting Tillingbourne Valley cross section elevation Locknor Cutting gravel bed clay fault neocomian ridge gravel escarpment greensand marl sandy bed fossil chalk section plan earth bedrock sand