Ordnance Survey of Great Britain [cartographic material] : England & Wales.

Popular edition. Relief shown by contours and spot heights.; Includes insets, index to adjoining sheets, and grid reference.; Each sheet is numbered and named individually.; Topographic map series of England and Wales showing roads, paths, buildings, boundaries, sites of antiquities and battle, wireless aerial masts, windpumps, windmills, lightships, lighthouses, railways, electricity transmission lines, pipelines, and vegetation.; GSGS 3907 is a military series, overprinting the standard Ordnance Survey map sheets (Popular or Fifth editions) with the War Office Cassini Grid in purple or black. Two new sheets (1A and 117A) were added to the Second War Revision of the standard 146-sheet series.; Some sheets: "War revision, 1940" or "Second war revision, 1940"; Some sheets: "Popular edition style", "Fifth edition" or "5th edition style"; Some maps are mounted on linen; some are annotated with unit positions ANL; See R. Hellyer, 1999, 'Ordnance survey small-scale maps: indexes 1801-1998', Kerry : David Archer, entry 10.M.5 to 10.M.12 pp.33-35.; Maps, and index indicating National Library of Australia holdings, in an online version at: http://nla.gov.au/nla.map-vn1822963