Great Britain. War Office. General Staff. Geographical Section
[London?] : Geographical Section, General Staff, 1910.
Relief shown by form lines. At top of map: Africa 1:250,000. Sheet 59-I. "War Office, Nov. 1909. Compiled at the War Office from local reconnaissances and drawn and printed at the Ordnance Survey Office, Southampton, 1910."
Princeton: Historic Map Division, Special Collections, Firestone Library