'Reconnaissance Sketch and Triangulation Chart. Marsabit - the Abyssinian Frontier. By G.F. Archer.'
Indicates hydrology, settlements and relief with form lines and spot heights, with brief descriptions of vegetation and topography. Also shows the survey route.
The British LibraryArcher, Sir, Geoffrey Francis, 1882-1964, colonial administrator, Knight, Cartographer.
1910
1:500 000