The Victoria River : 1839 / surveyed by Commr. J.L. Stokes, R.N. ; J. & C. Walker, sculpt.Stokes, John Lort, 1811-1885, cartographer.Apr. 5, 1845.At head of title: Australia N.W. Coast.Coordinates not present on map and are approximated.Imperfect: mutilated and repaired, with no loss of text.In lower right corner: 1705.Relief shown by hachures; soundings in fathoms.cartographic