Subject ASC0001grs
The Quarterly journal of the Geological Society of London.
v.10 (1854), Page 266 (1854)
Smithsonian Libraries
BHL Page 35013217
Keywords
Geology Cyrena Clay Cerithium Littorinella Limestones Upper blue Clay Hochstadt Hanau Cyrena Clay Cerithium and Littorinella Limestones Upper blue Clay Hochstadt diagram strata clay geology hochstadt land formation geological section