GSGS (Series) ; 4504. GSGS (Series) ; 4072. "Published by War Office 1944". "Compiled and drawn at War Office 1940. Heliographed Ordnance Survey 1942." "Calculated by A.W.A.S. Overprint drawn at G.S.G.S.(A.M.) June 1944." "Projection. Europe (Air) conical orthomorphic (central zone)". Part of the Gordon Griffith fonds.
