 In March 1982 Margaret Rule visited Adelaide, South Australia, as the keynote speaker to the Second Southern Hemisphere Conference on Maritime Archaeology.During the Conference she visited the historic Murray River port of Morgan and dived with members of the Society for Underwater Historical Research (SUHR) on a project to record and recover items from the riverbed alongside the town's massive wharf.Rule had been living with Parkinson's disease and arthritis in her later years.