Cassini historical map : Ordnance Survey Seventh series.
Cassini Maps (Firm).
Great Britain.Ordnance Survey.
[East Garston, Berkshire] : Cassini Publishing,
c2008.
Reproductions of OS Seventh series map, originally published between 1952 and 1961. Re-projected, and re-scaled from 1:63,360 to 1:50,000, to match OS Landranger maps.
Relief shown by contours and spot heights.