Subject ASC0001ehf
The Quarterly journal of the Geological Society of London.
v.21 (1865), (1865)
Smithsonian Libraries
BHL Page 34891906
Keywords
Rocks Permian fossils map section River Warfe Harrogate Valley of the Nid Fluss und Talprofil landscape River Wharfe Valley of Nid Hampsthwaite Spofforth Wharfe Fault