| 21. | Open cut mining finished at Ranger in late 2012 and the mine is now processing stockpiled ore.
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| 22. | The Werris Creek open cut mine is located 4 km south of Werris Creek on the Quirindi road.
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| 23. | On 18 May 1922, the Queensland Governor Matthew Nathan officially opened Australia's first open cut mine at Blair Athol.
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| 24. | Another key factor was the shift to more efficient large-scale mining leading to the dominance of open cut mines.
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| 25. | In 1984, the Rio Tinto company opened its main mine at this location, as a large scale open cut mine.
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| 26. | When in production, the open cut mine was capable of producing up to 14, 000 tonnes of graphite concentrate annually.
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| 27. | In the early 1960s, the line was realigned between Uhyst and Lohsa because of the expansion of the Lohsa open cut mine.
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| 28. | Total production from the Ipswich area was 2.8 million tonnes ( 1.54 from open cut mines and 1.28 from underground operations ).
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| 29. | The Abel Underground Mine is situated 26 km from Newcastle, with the portal coming off the high wall of Donaldson Open Cut Mine.
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| 30. | "' Cadia Mine "'is a series of large Ridgeway underground mine, and Cadia East underground mine, adjacent to the Cadia Open Cut Mine.
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