GSGS (Series) ; 4521. GSGS (Series) ; 4072. "Published at the War Office 1944". "Compiled and drawn at War Office 1940. Heliographed Ordnance Survey 1942." "Overprint drawn at G.S.G.S.(A.M.) November 1944." "Projection. Europe (Air) conical orthomorphic (central zone)". Dome notes in margins. Part of the Gordon Griffith fonds.