Pro-Poor Benefit Sharing Of Sustainable Mining Revenues - Poverty .Mining and quarrying, both small scale and large scale, has the potential to . The study tour comprised of a field visit to few line mines and a clay mine.small scale line mining,Nigeria's mining sector opens up | Extractive Industries .Jan 30, 2015 . Increase in granite and line production by 50% and 20%, . Small scale mining, which accounts for 90% of activities in the sector is.
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