Subject ASC0003s6l
The geological magazine, or, Monthly journal of geology.
[Decade 1]:v. 2 (1865), Page 108 (1865)
Smithsonian Libraries
BHL Page 30540492
Keywords
Cross-section Geological Geology coal coal measures sandstone grit milstone-grit Permian. rock formation geology strata Permian myfyrr carboniferous Oswestry fossil Carboniferous Rocks