Soil surveys

Amani memoirs : a provisional soil map of East Africa (Kenya, Uganda, Tanganyika, and Zanzibar) with explanatory memoir / by G. Milne, East African Agricultural Research Station, Amani ; in collaboration with V. A. Beckley and G. H. Gethin Jones, Department of Agriculture, Nairobi ; W. S. Martin and G. Griffith, Department of Agriculture, Kampala ; and L. W. Raymond, Department of Agriculture, Zanzibar.