Ramsay, A.C. (1862). ‘On the Glacial Origin of certain Lakes in Switzerland, the Black Forest, Great Britain, Sweden, North America, and elsewhere’ extract from the QJGS
Ramsay, A.C. (1862). ‘On the Glacial Origin of certain Lakes in Switzerland, the Black Forest, Great Britain, Sweden, North America, and elsewhere’ extract from the Quarterly Journal of the Geological Society of London, v.18, pp.185-204. With foldout b/w map ‘Sketch Map of Part of the Ancient Glaciers of Switzerland’, 1:1,500,000, 21.5 x28cm. Map and text clean, unmarked, age-toned. In good to very good condition.