Sylvia Gardens, Northmead Estate Residential estate which was subdivided and offered for sale in 1937 on the site of the former Whitehaven quarry. Locate -33.785029984131, 150.99341457579 Milestone Formed 1937 {"name":"Formed","target":"","target_text":null,"date":{"#markup":"<span class='date'>1937<\/span>"},"date_start":"1937","date_end":"1937"} Name Alternate Whitehaven Quarry {"name":"Alternate","target":"","target_text":"Whitehaven Quarry","date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Alternate Moxham Quarry 1881 - 1910 {"name":"Alternate","target":"","target_text":"Moxham Quarry","date":{"#markup":"<span class='date'>1881<\/span><span class='separator'> - <\/span><span class='date'>1910<\/span>"},"date_start":"1881","date_end":"1910"} Type Estate {"name":"Estate","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}