Sumatra 1:250,000.
Great Britain.War Office.General Staff.Geographical Section.
United States.Army Map Service.
[London] : War Office,
1945-
Standard map series designation: Series T511.
Relief shown by contours and spot heights.
Military grid.
Set includes various issues of some sheets, some reprinted by British Army Survey Directorate (Hind 1042) and some revised and photolithographed by British War Office (GSGS 4550), from AMS T511.
Graphic index in central GSGS file.