Sousa R. and M. Veiga. Indicators of Reduction of Mercury Pollution in an Artisanal Gold Mining Region in Brazil. Presented at the 2007 workshop.
Hinton J., A. Hodaly, M. Veiga and S. Baldwin. Water Covers to Wetlands: Opportunities and Constraints. Presented at the 2001 workshop.
KEYWORDS: impoundment mercury selenium tailings underwater wetland