Well's First Principles of Geology: A Textbook for Schools, Academies and Colleges/fr-ca/wells-first-principles-of-geology-a-textbook-for-schools-academies-and-colleges/5B20C61F-FBB6-4866-A02C-A460A93C7FA8.html5B20C61F-FBB6-4866-A02C-A460A93C7FA8
Well's First Principles of Geology: A Textbook for Schools, Academies and Colleges