Subject ASC0001gh0
The Quarterly journal of the Geological Society of London.
v.10 (1854), Page 96 (1854)
Smithsonian Libraries
BHL Page 35013015
Keywords
stratigraphy well sections Ewehurst Woolwich and Reading Series Dogmersfield Park well-section bagshot sand clay Woolwich Reading series blue clay Ewhurst black clay coal green sand chalk Well-section Well section sand gravel geology pebbles ore