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Fossicking on the exposed reef at low tide was one of the main activities for early holidaymakers, c1932. Collection of the Mitchell Library, State Library of New South Wales

Scientists making collections at Undine Reef during the 1928-29 British Expedition to Low Isles. Collection of the National Library of Australia

Collection of the National Library of Australia

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Fossicking at low tide was one of the main activities for early holiday makers, c1932

Collecting at Undine Reef, Low Isles, 1928