Subject ASC0001hnl
The Quarterly journal of the Geological Society of London.
v.5 (1849), Page 123 (1849)
Smithsonian Libraries
BHL Page 35268765
Keywords
strata diagram geographical panorama geology Helvellyn Bowness Wenlock formation section dip position planes of cleavage Grasmere Rydal Ambleside Applethwaite Burthwaite Greenside Gledridding Whiteside Porphyry slate Coniston limestone flagstone