Subject ASC00011ed
The Quarterly journal of the Geological Society of London.
v.56 (1900), Page 187 (1900)
Smithsonian Libraries
BHL Page 41487493
Keywords
geology trias permian carboniferous layers keuper sandstone keuper maris coal Keuper Marls Keuper Sandstone Permian Beds Coal Measures rocks Kidderminster Shatterford Bromesberrow sandstone marls Shatterford Keuper sandstone Keuper cross section section Triassic Malvern