Grand Union Canal, Milton Keynes to London : London Ring and the East London Ring /
Heron Maps (Firm),cartographer.
Title from cover when folded.
Relief shown by spot heights.
Map on both sides of sheet. Includes inset maps of Milton Keynes, Fenny Stratford, Aylesbury, Marsworth, Berkhamsted, Camden Town and Little Venice and Paddington at scale 1:12,500, tourist information and legend.