Environmental management of small-scale
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N.H Tarras-Wahlberg
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Article
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2002
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Elsevier Science
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English
β 247 KB
This paper considers technical measures and policy initiatives needed to improve environmental management in the Portovelo-Zaruma mining district of southern Ecuador. In this area, gold is mined by a large number of small-scale and artisanal operators, and discharges of cyanide and metal-laden taili