London. Ibadan. Nairobi: Oxford University Press. 1967. 312 p.
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The Rima Valley between Sokoto and Alkalawa. View looking north-west in the general direction of Degel and Gudu.
In the foreground a typical village set in fields from which the harvest has been gathered. In the middle-ground the flood-plain
of the river, almost dry at this time of the year and here less than a mile wide. In the background more villages and bare fields
and then the great plain stretching away to the Sahara. In this direction the next river is in Morocco, 1,500 miles away.
