Subject ASC0003u2h
The geological magazine, or, Monthly journal of geology.
n.s., decade 4, v. 5 (1898), Page 348 (1864)
Smithsonian Libraries
BHL Page 30745911
Keywords
Correlation lower carboniferous rocks of England Scotland comparative sections North Northumberland Wensleydale Ingleborough coal series silurian rocks tuedian beds basal conglomenate scremerston Yordale rock lower carboniferous rocks England Scottland stratigraphic sections oil shale thin coals white sandstones stratigraphic log