AUTHOR: Darwin, Charles (1809-1882) TITLE: Geological observations on South America. Being the third part of The geology of the voyage of the Beagle. IMPRINT: London: Smith, Elder, and co., 1846. KEYWORDS: 1. Geology--South America. 2. Beagle expedition (1831 1836) I. Sowerby, George Brettingham. II. Forbes, Edward. LOCATION: 558.D228g