Subject ASC0003s5q
The geological magazine, or, Monthly journal of geology.
[Decade 1]:v. 2 (1865), Page 326 (1865)
Smithsonian Libraries
BHL Page 30540728
Keywords
Geological map of limestone near Corwen Shale cross-section diagram shale Tarannon Caeran Crywni Wenlock Corwen HAfod y Calch carboniferous limestone Yale and Bala fault Denbighshire Merionethshire Carboniferous Limestone geology rock terrain Carboniferous limestone tarannon shale