1. Researches in theoretical geology Author/Creator: De La Beche, Henry T. 1796-1855. (Henry Thomas) Publication/Creation: New York : F.J. Huntington & Co.; Philadelphia : Desilver, Thomas & Co., 1837 Resource Type: Book Access & Availability: Loading
2. The rift valleys and geology of East Africa : an account of the origin & history of the rift valleys of East Africa & their relation to the contemporary earth-movements which transformed the geography of the world. With some account of the prehistoric stone implements, soils, water supply, & mineral resources of the Kenya colony Author/Creator: Gregory, J. W. 1864-1932, (John Walter), author Publication/Creation: London : Seeley, Service & Co., 1921 Resource Type: Book Access & Availability: Loading