Copper engraved Admiralty Chart of Champion Bay to Cape Naturaliste with insets of the Approaches to Port Dongara or Denison surveyed by Nav. Lieutt J. W Dixon and H.J. Dockrell R.N under the direction of Staff Commander J. E Coglan 1884, and Jurien Bay surveyed by Staff Commander W.E. Archdeacon in 1875. Large corrections 1882, April 1883 and Sept 1885 with minor additions to 1919



