Subject ASC00012ii
The Quarterly journal of the Geological Society of London.
v.67 (1911), Page 116 (1845)
Smithsonian Libraries
BHL Page 39748922
Keywords
england alluvium keuper marl retford worksop letwell cuckney warsop tuxford scarle southwell thurgarton gham gedling coll Map of The Permian and Trias of the North-East of England Map of the perminan and trias NE of England permian trias hartlepool Map geology Permian Trias North East England landscape perm map north east england NE England