Hutchison, John Hydrographer who worked under Captain Henry Mangles Denham surveying Sydney Harbour. Milestone Died Adelaide Jul 1869 {"name":"Died","target":"","target_text":"Adelaide","date":{"#markup":"<span class='date'>Jul 1869<\/span>"},"date_start":"1869-07-01","date_end":"1869-07-01"} Occupation Hydrographer {"name":"Hydrographer","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Surveyor {"name":"Surveyor","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}