| 11. | Bukuru is also associated with the opencast mine workings are exploitable deposits of kaolin.
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| 12. | The Margam line is now used by the new Parc Slip opencast mine for coal.
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| 13. | Mines now in operation are better managed under opencast mining as compared to the past.
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| 14. | Private adit mining and opencast mining ceased in 1994 with the exhaustion of economic reserves.
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| 15. | All the deep coal mines in the area have closed, but opencast mining still continues.
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| 16. | NCL produces coal through mechanised opencast mines but its commitments towards environmental protection is total.
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| 17. | In 1965 plans were drawn up to opencast mine the coal seam beneath Radcliffe and Newbrough.
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| 18. | Because of lignite opencast mining, a section of the course was diverted near Inden-Lamersdorf in 2003.
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| 19. | However opencast mining and small scale adit mining carried on in Cheadle up until the 1990s.
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| 20. | Extensive opencast mining has taken place in more recent times and still continues in the area.
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