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Artisanal gold mining in liberia artisanal gold mining in liberia description mining equipment manufacturer in china producing all kinds of crushers such asjaw read more artisanal and small-scale gold mining without mercury dec 18 2015 many artisanal...
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Manual for training artisanal and smallscale gold miners regions artisanal mining is a secondary source of income for farmers but in parts of the globe artisanal mining is the main subsistence activity artisanal gold miners are typically poor hard workin...
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