Hunter's and Bradley's 1788 chart of Sydney Harbour, with modern mean high water mark in red, 2014

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(Geographic Information System (GIS) created by Phil Mulhearn 2013.) (Modern Sydney Harbour mean high water mark outline, courtesy of Port Authority of NSW 2013) (Chart of Port Jackson, 1788 from William Bradley's journal 'A Voyage to New South Wales', Mitchell Library, State Library of New South Wales a138497 / Safe 1/14, 6)