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lower impact mining techniques

Lower Impact Mining Techniques

impacts of mining on rivers,to be regulated through two major clean water act (cwa) permits: a water pollution discharge permit (npdes permit) and a permit allowing mining waste to be dumped into streams ( .managing the impacts of the australian mining industry on ,plant growth and establishment. corbett. (1999) outlines some of the physical, chemical and microbiological properties of waste rock dump soils. briefly, they can have low infiltration .the impacts of artisanal gold mining on local ,boule d'or said she usually sells vegetables for up to xaf 5000 a week when her farm produces well. this gives her an income of up to xaf 20,000 a month if she harvests every week..environmental impacts caused by phosphate mining and ,fig. 3. figure3. slope failure of the dump. full size image. a majority of the slope failures have occurred during rainstorms or several days afterwards (johnson and sitar 1990; au 1998; .