Subject ASC00014mi
The Quarterly journal of the Geological Society of London.
v.26 (1870), Page 219 (1870)
Smithsonian Libraries
BHL Page 39017762
Keywords
valley drifts elevations locations upper lower series rivers Table of the Localities of the Drifts of the Valley of the Severn and adjoining District with their heights above the sea. Upper Series ranging from 800 feet to 300 feet above the level of the sea Lower Series ranging from 300 feet to about 50 feet above sea-level table seadrift table seadrifts Valley of the Severn drifts