Note 11 — III A CENTURY OF GEOLOGY.—STEPS OF PROGRESS IN THE INTERPRETATION OF LAND FORMS
Reading edition
Scrope, G. P., Excavation of valleys, Geol. Soc., London, No. 14, 1830.
Reading edition
Scrope, G. P., Excavation of valleys, Geol. Soc., London, No. 14, 1830.