Copper engraved Admiralty Chart from Doubtful Island Bay toDEntrecasteaux Island, just east of the Head of the Australian Bight taken from Surveys made by Staff Commanders W.E. Archdeacon and F. Howard, Royal Navy and Colonial Government Officers 1879 – 80. The adjacent islands and soundings are chiefly on the authority of Matthew Flinders Commander of HMS Investigator 1802. Between Esperance B. And Pollock Reef from Surveys by Commander J.W.Coombe R.N. and the Officers of H.M. Surveying Ship “Penguin” 1897-1901



