Subject ASC00010or
The Quarterly journal of the Geological Society of London.
v.59 (1903), Page 338 (1903)
Smithsonian Libraries
BHL Page 41497317
Keywords
geology shales limestones tuff clay fossiliferous limestone chert encrinital limestone blue limeston Ashbourne and Buxton Railway Yoredale Beds limestone yoredale beds newton-grange stone thickness geology beds