Siam 1 inch to 1 mile /
Great Britain.Army.Indian Field Survey Company.
[London] : The Company,
[1945-
Relief shown by contours and spot heights.
Revised by 3 through 7 Ind. Fd. Svy. Coy, I.E. Some by 7 Ind. Air Survey Coy, I.E.
Includes index map, notes, and vacabulary.
Set contains a few sheets reprinted by War Office in 1950 and titled: Central Thailand (Siam) 1 inch to 1 mile. GSGS 4671.
Graphic index in central GSGS file.
Covers central Thailand only.