The river Tamar in Van Diemen's Land [cartographic material]
Welsh, JohnThe entrance corrected by Commander Stokes survey 1840. Chart of Tamar River in Tasmania from estuary to Launceston. Relief shown by hachures and bathymetric soundings.; Inset: Swan Bay to Launceston.; Chart 1080.; Also available in an electronic version via the Internet at: http://nla.gov.au/nla.map-t16.
Published according to act of Parliament at the Hydrographical Office of the Admiralty Oct. 29th 1831 : Sold by R.B. Bate, 21 Poultry, [1840]