Ordnance Survey of England and Wales : Popular edition ; 5th edition style.
Great Britain.War Office.General Staff.Geographical Section.
[London] : War Office,
[1924-45]
Relief shown by contours, and spot heights.
Most maps overprinted with military grid in purple.
A few maps, mainly covering the South west are titled: Ordnance Survey of Great Britain : England and Wales. 5th ed. War revision.
Various editions of each sheet held: mostly "Sales copy". Includes earlier eds. & outline eds.
Earlier eds. are based on OS Popular edition one-inch maps with later "War revision 1940"
Graphic index in central GSGS file.