Cohen, Ronald R. H.Buscher, David P.2022-05-242022-05-241992https://hdl.handle.net/11124/13293Includes bibliographical references.masters thesesengCopyright of the original work is retained by the author.Water -- Pollution -- Brazil -- Minas GeraisMercury -- Environmental aspects -- Brazil -- Minas GeraisGold mines and mining -- Brazil -- Minas GeraisMercury in river systems from garimpeiro activities in the vicinity of Ouro Preto, Minas Gerais, BrazilText