Ordnance Survey of Great Britain : England & Wales.
[Southampton : Ordnance Survey,
1939-41]
Relief shown by contours, gradient tints and spot heights; depths shown by contours.
Overprinted on OS 4th ed.
Incomplete.
Sheet 1: The Border (W.O. 21,000/40) -- Sheet 7: South Wales (W.O. 36,500/40.W.) [without layers] -- Sheet 8: Midlands (W.O. 90,000/40 W.) [without layers] -- Sheet 9A: (W.O. 20,000/6/41) -- Sheet 11: England, south (W.O. 4500/39 ; W.O. 42500/40 [without layers])