24 Pages in Charles Darwin's Library associated with "geology - obsidian"

Description physique des Îles Canaries, suivie d'une indication des principaux volcans du globe
By: Buch, Leopold von, Freiherr, - Boulanger, C.
Publication info: Paris, F.G. Levrault, 1836
Pages: Page 470 Page 470 Page 482 Page 482 Page 487 Page 488 Page 488 Page 183 Page 183 Page 184 Page 184 Page 190 Page 190 Page 192 Page 196 Page 196 Page 197 Page 197 Page 333 Page 333 Page 419 Page 419
Principles of geology
By: Lyell, Charles, Sir,
Publication info: London, John Murray, 1837
Volume: v.2
Pages: Page 42 Page 42