Includes bibliographies and indexes.

Alluvium and agriculture in the semi-arid world / Peter Crabb -- Quaternary environments in Northern Africa / Martin A.J. Williams -- Palaeobotanical speculations and quaternary environments in the Sudan / Gerald E. Wickens --Geology of the central Sudan / J.R. Vail -- Stratigraphy and ground-water geology of the Gezira Plain, central Sudan / Ismail M. Elboushi & Yassin Abdel Salam -- The plains of the central and southern Sudan / R.H. Gunn -- Landforms and soils of the Gezira / Martin A.J. Williams ... [et al.] -- The vegetation of the central Sudan / M. Obeid Mubarak ... [et al.] -- Palaeogeography of the Gezira and of the lower Blue and White Nile valleys Donald A. Adamson ... [et al.] -- The integrated Nile / Donald A. Adamson.