| 21. | The Margam line is now used by the new Parc Slip opencast mine for coal.
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| 22. | In October 2008, plans to opencast 2m tonnes of coal in Ashington were approved.
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| 23. | Opencast mining operated between 1985 and 1995.
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| 24. | Private adit mining and opencast mining ceased in 1994 with the exhaustion of economic reserves.
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| 25. | NCL produces coal through mechanised opencast mines but its commitments towards environmental protection is total.
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| 26. | Mines now in operation are better managed under opencast mining as compared to the past.
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| 27. | To increase wartime coal production, the government introduced opencast mining all over the country.
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| 28. | It is not known whether this loading point also handled the output of the opencast.
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| 29. | All the deep coal mines in the area have closed, but opencast mining still continues.
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| 30. | The opencast pit is now unused.
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