Relief shown by hachures and spot heights. Government stations and positions determined astronomically are shown. Includes information on navigability of rivers, groundwater, and vegetation. "The topography &c. other than that mapped by Col. Gordon & the Officers of his Staff are here drawn in hairline, The routes of Speke & Grant, & of Baker, are shewn in light dotted lines." From: The Journal of the Royal Geographical Society of London. Vol. 46 (1876), pp. 431-2; held in Firestone Library. Call number: G7 .J687 v. 46 1876