Routes between Gebal [Jebel] Marrah, Nile River, and El Obeiyad [El Obeid] are shown. Settlements along routes and their elevations are shown. Relief shown by hachures and spot heights. "The course of the White Nile above Khartum, and the positions of the places on its banks, have been inserted from the Traverse Survey made by Lieuts. Watson & Chippendall, R.E. (See 'Journal' Vol. XLVI)" From: Journal of the Royal Geographical Society of London. Vol. 49 (1879), pp. 392-8; held in Firestone Library. Call number: G7 .J687 v.49 1879