Subject ASC0001gc2
The Quarterly journal of the Geological Society of London.
v.10 (1854), Page 90 (1854)
Smithsonian Libraries
BHL Page 35013009
Keywords
geology clay chalk London sections clays sands pebbles flint-pebbles iron-sandstone railway cutting Bushey layer soil london clay structure Prestwich Woolwich Watford strata Bushey cutting fossils sand