Subject ASC0002kpa
The Quarterly journal of the Geological Society of London.
v.17 (1861), Page 157 (1861)
Smithsonian Libraries
BHL Page 35156351
Keywords
shale limestone malvern tunnel Llandovery Syenite Malvern silurian syenite section geology Llandovery rock Malvern Tunnel Silurian rock train tunnel Silurian fossil Worcester Railway England