| 41. | As an open cast quarry, this method of quarrying provides quicker extraction of raw block dimension stone whilst maintaining its integrity.
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| 42. | The techniques used for the extraction of tin from Dartmoor followed a progression from streaming through open cast mining to underground mining.
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| 43. | The organisation supports the Save Happy Valley Campaign against the open cast mining of coal being developed on Department of Conservation land.
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| 44. | Most of the material recovered from this open cast site came from surface finds along with a to core of Neolithic deposits.
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| 45. | A small captive explosive manufacturing factory was established at Sitarampur for the supply of dynamite for solid blasting in open cast mines.
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| 46. | Paradoxically open cast mining has become widespread in the area around Arbuckle and the western extremity of the line, obliterating its course.
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| 47. | The landscape at the northern end of the A4061 has been extensively used for open cast mining, which remains an active industry.
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| 48. | The power plant's adjacent open cast brown coal mine has more than 30 years of reserves, which are included in the acquisition.
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| 49. | Brajrajnagar is an industrial town, being of the prime location for Open Cast Coal Mine of Ib Valley Coalfield of Mahanadi Coalfields Limited.
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| 50. | It is covered by woodland for the most part, although there is an open cast quarry ( for stone aggregates ) in use.
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