Entrances to Manukau Harbour [hydrographic chart]
Hydrographic chart showing the entrances to Manukau Harbour with elevation sketch of the harbour entrance. Surveyed by Commander B. Drury, Messers H. Kerr, P. Oke, A. Farmer, C. Stanley and W. Blackrey, 1853. Engraved by J. & C. Walker. Published in England according to Act of Parliament at the Hydrographic Office of the Admiralty, 27 January 1856.