Principles of geology, being an inquiry how far the former changes of the earth's surface are referable to causes now in operation / By Charles Lyell, Esq. F.R.S. President of the Geological Society of London ... In four volumes.

Licence: Public Domain Mark

Credit: Principles of geology, being an inquiry how far the former changes of the earth's surface are referable to causes now in operation / By Charles Lyell, Esq. F.R.S. President of the Geological Society of London ... In four volumes. Source: Wellcome Collection.