| 31. | In 1985 open-pit mining operations were halted by Kennecott's Utah Copper.
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| 32. | It services a mining town ( the open pit mine is in this town ).
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| 33. | Open Pit mining at Nchanga started in 1955, in the main Nchanga Open Pit.
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| 34. | Newmont plans to return to open pit mining in 2010 if drilling results are positive.
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| 35. | Underground mining ended around 1949 . Future production would come from open-pit mining.
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| 36. | The near surface resource is believed to be recoverable through conventional open-pit mining.
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| 37. | Yanacocha operates three open-pit mines, with a fourth to open late this year.
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| 38. | The strike began Wednesday in the Kolubara open pit mine and spread Thursday to nearby Kostolac.
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| 39. | It includes an open-pit mine, a concentrator and two SX-EW plants.
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| 40. | Atlas Copco said the deal will help it expand in the open-pit mining market.
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