France and Belgium 1:50,000 /
Great Britain.War Office.General Staff.Geographical Section.
Great Britain.Ordnance Survey.
United States.Army Map Service.
[London] : War Office,
[1937-44]
Relief shown by contours and spot heights.
Covers most of Belgium and northeastern France. Set includes various issues of some sheets.
Military grid.
Sheets include index to adjoining sheets and Reliability diagram.
Graphic index in GSGS central file.