Pamphlet on the maps of France and Belgium.
Great Britain.War Office.General Staff.Geographical Section.
Includes 3 fold-out index maps of G.S.G.S. map series covering France and Belgium and key to symbols.
Maps: North-West Europe (Index A) -- France & Belgium (Index B) -- France & Belgium (Index C).
Covers sereies GSGS 4040, 4040A, 4041, 4042, 2738.
Relief shown by contours, spot heights and pictorially.
Signs and characteristics sheets.
"Not to be published"--Head of title.