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1978
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Opened Australian Office in Sydney
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1984
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Ensham mine Exploration License was approved by Queensland Government.
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1988
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Acquired Ebenezer mine 49% equity (100% in 1989)
Acquired Boggabri mine 25% equity (100% in 1991)
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1989
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Acquired 100% equity of Muswellbrook Coal Company Limited and established Idemitsu Muswellbrook Coal Company Ltd
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1991
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Changed company name from Idemitsu Muswellbrook Coal Company Pty Ltd to Apollo Resources Pty Ltd
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1993
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Ensham coal mine commenced production, formally opened Oct 1994
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1999
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Apollo Resources Pty Ltd moved to Brisbane
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2002
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Production at Ebenezer mine ceased
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2005
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Boggabri Coal Mine project was approved
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2006
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Boggabri Coal Mine & Tarrawonga Coal Project commenced production
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2007
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Idemitsu Australia Resources Pty Ltd (IAR) was formed to consolidate and re-structure Idemitsu Kosan's coal interests in Australia
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2009
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Idemitsu Kosan approved Boggabri Coal Mine expansion
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