North west Europe 1:250,000.
Great Britain.War Office.General Staff.Geographical Section.
John Bartholomew and Son.
[London] : War Office,
1937-43.
Covers most of the Low Countries and northeastern France. Set includes various issues of some sheets.
Elevations shown by contours at 50 meter intervals, and altitude tints.
Military grid.
Three classes of railways and five classes of roads are shown. Some sheets have air information and are designated as "Army/Air" or "Ground/Air."
Extra numbered sheets 2A, 3A and 3B by John Bartholomew and Son, Ltd.
Marginal maps on various sheets include index to adjoining sheets, incidence of grid letters and reliability diagram.
Graphic index in central GSGS file.
Transportation
Aeronautical charts