Sydney Harbour Collieries Commercial organisation Coal mining company formed in 1894 that had authority to mine under certain lands under Sydney Harbour. Milestone Incorporated Sydney and Port Hacking Coal Company Ltd Jan 1894 {"name":"Merged into","target":"Sydney and Port Hacking Coal Company Ltd","target_text":null,"date":{"#markup":"<span class='date'>Jan 1894<\/span>"},"date_start":"1894-01-01","date_end":"1894-01-01"} Formed 1899 {"name":"Formed","target":"","target_text":null,"date":{"#markup":"<span class='date'>1899<\/span>"},"date_start":"1899","date_end":"1899"} Position Company director Huntley, TS {"name":"Company director","target":"Huntley, TS","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Property Owner of Balmain Colliery {"name":"Owner of","target":"Balmain Colliery","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Type Commercial organisation {"name":"Commercial organisation","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}