Map of central North Africa, including Lake Tchad / prepared under direction of the Chief of Engineers, U.S. Army.United States. Army. Corps of Engineers.1941Also shows roads and tourist information.Covers the area southward from Mediterranean Sea to Lake Chad region and eastward from Algeria to Libya/Egypt border.Maps on verso: Tunis -- Alger -- Tunisia Orient -- Tripoli [area] -- Tripoli -- Oran -- Africa, index map.cartographic