St. Helen's Road, Spithead, Portsmouth and Langstone Harbours /
Mckenzie, Murdoch,the Younger.
[London] : Hydrographic Office,
1808.
Bathymetry shown by soundings ; relief shown by hachures.
'Published according to Act of Parliament Oct. 1st 1808, by Cap. Hurd, R.N. Hydrographer to the Admiralty'.