| 41. | These large machines were used for removal of overburden on, for example, opencast coal sites.
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| 42. | A short stretch has now reopened between Thornton and Earlseat to carry coal from the opencast mine.
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| 43. | The National Coal Board reclaimed land near the closed collieries by opencast methods between 1970 and 1974.
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| 44. | A gold vein must have been discovered here, because there is a large opencast below the tank.
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| 45. | The opencast coalmine on the south side of the valley has been turned into Garnant Park golf club.
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| 46. | Lalmatia Collieryhas now been renamed as Rajmahal Opencast Project under Rajmhal Group of Mines of Eastern Coalfields Ltd.
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| 47. | To the north the ridge broadens out into Merthyr Common, an area heavily altered by opencast coalmining.
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| 48. | It at present owns 105 operating mines, of which 81 are underground and 24 are opencast mines.
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| 49. | In 1981, Wirtgen built the first surface miners for opencast mining and routing operations in hard rock.
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| 50. | The opencast mining moved into the fields to the west of the house and continued into the early 1950s.
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