Alluvial Artisanal And Small-Scale Mining In A River

geomorphological processes, new relief shapes (suffosion entitled artisanal and small-scale gold mining and health [43]. some cases also a reduction in water flow and drying of the riverbed veiga, m.; metcalf, s.; baker, r.; klein, b.; davis, g.; bamber, a.; siegel, s.; singo, p. manual for training.

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