Subject ASC0003s9h
The geological magazine, or, Monthly journal of geology.
[Decade 1]:v. 3 (1866), Page 443 (1866)
Smithsonian Libraries
BHL Page 30552285
Keywords
valleys ancient geography Draft marine denudation Keuper Marls mountain limestone cross section Bristol and Exeter Railway Transverse section ancient valley system geological section Keuper Marl Mountain Limestone Transverse section