Subject ASC0003thg
The geological magazine, or, Monthly journal of geology.
Decade 3:v. 10 (1893), Page 220 (1893)
Smithsonian Libraries
BHL Page 30553722
Keywords
London Basin York Town Surrey road slope hill surface-change talus ferruginous upper bagshot sands terrain quartz-sand flint detritus quaternary gravel stratification scree upland lacustrine deposit glacial period Dr Irving york surrey cross-section map surface ground surface bagshot sands sand erosion quarry geology