AMS 2. Great Britain. War Office. General Staff. Geographical Section. G.S.G.S. no. 4379. United States. Army Map Service. In upper left margin: Sicily 1:10,000. "Enlarged from 1/25,00 Italian map dated 1906." Revised from air photographs and intelligent reports up to 1942. Relief show by contours at 20 m. interval and rock drawings.