Map of the Raïan Basin. Title from Proceedings of the Royal Geographical Society, volume X, 1888, page 811. Relief shown by hachures and spot heights. Depths shown by isolines. Shows proposed Raïan Basin reservoir. Includes location map. Manuscript signature in lower left: Cope Whitehouse, Aug. 1st , Egypt , Al Baḥr al Aḥmar , Rayyān, Wādī ar ,depression Egypt , Al Fayyūm , Qārūn, Birkat ,lake

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