Subject ASC0001f2t
The Quarterly journal of the Geological Society of London.
v.21 (1865), Page 173 (1865)
Smithsonian Libraries
BHL Page 34891843
Keywords
stratification geology rock formation geologic cross section geology rock earth clay shell sea cross-section rock layers Kichattan Brick-work Bute Island Devonian rocks old red sandstone Sandstone Shell Boulder laminated Stratified gravel bed shingle