01403oam 2200385Ka 450 991069580840332120070625091908.0(CKB)5470000002373711(OCoLC)145481786(EXLCZ)99547000000237371120070625d2006 ua 0engtxtrdacontentcrdamediacrrdacarrierManagement and treatment of water from hard rock mines[electronic resource]Cincinnati, OH :U.S. Environmental Protection Agency, Office of Research and Development, National Risk Management Research Laboratory,[2006]42 pages digital, PDF fileEngineering issueTitle from title screen (viewed on June 25, 2007)."EPA/625/R-06/014.""October 2006."Includes bibliographical references.Mines and mineral resourcesEnvironmental aspectsUnited StatesWaterPurificationUnited StatesMines and mineral resourcesEnvironmental aspectsWaterPurificationNational Risk Management Research Laboratory (U.S.)GPOGPOGPOBOOK9910695808403321Management and treatment of water from hard rock mines3177614UNINA