Schwartz M O author Ploethner D author 1999 Africa aluminum cadmium canals carbonates copper drinking water geochemistry Grootfontein-Omatako Canal heavy metals hydrochemistry iron lead manganese metallogenic provinces metals mine drainage mineral deposits genesis mines Namibia policy precipitation purification Southern Africa transport water management water treatment 22 Environmental geology From mine water to drinking water; heavy-metal removal by carbonate precipitation in the Grootfontein-Omatako Canal, Namibia; GeoRef; English; 2002-033925; International congress on Mine, water and environment, Seville, Spain, Sept. 13, 1999 References: 7; 2 tables, sketch maps exported from refbase (https://www.Wolkersdorfer.info/gard/refbase/show.php?record=250), last updated on Thu, 14 Oct 2010 06:38:19 +0200 text Schwartz+Ploethner1999 CBU @ c.wolke @ 5929 1999 Bundesanst. fuer Geowiss. und Rohstoffe Hanover monographic book