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Birchgrove, Australia
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Attraction
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Unit 16/8 Water St, Birchgrove NSW 2041, Australia
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Balmain Colliery was a coal mine located in Birchgrove in the inner-west of Sydney, in the state of New South Wales, Australia. It produced coal from 1897 until 1931 and natural gas until 1945. At approximately 880 m depth, it remains the deepest coal mine ever to have been sunk in Australia.