1:5,000 Sirte /
Great Britain.Army.Royal Engineers.Field Survey Coy., 512.
Great Britain.Army.Survey Engineer Regiment, 42.
[London : War Office],
1950.
"Compiled... Dec., 1941, from air photographs dated July, 1941. Revised ... from air photographs dated Aug. 1942. Reprinted by 42 Survey Engr. Regt. Oct. 1950".
Relief shown by hachures.
Inset: [Location map].
"Unique No. 2497".