Definition for Mining and milling
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Revision as of 16:35, 26 February 2018 by Cloveb (Talk | contribs) (Created page with "A type of mining that has the most negative impact, acid mine drainage (type of effluent), forms leachate, tailings. Category: Environmental & Conservations Biology")
A type of mining that has the most negative impact, acid mine drainage (type of effluent), forms leachate, tailings.