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出典:Wikipedia
出典:『Wikipedia』 (2011/05/22 02:33 UTC 版)
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. It remains the deepest coal mine ever to have been sunk in Australia.
Balmain Colliery