The large impact of gold-mining in total-Hg content in sediment of the dam lake of Petit Saut (French Guiana) M.-A. Bélières, M. Pourchet, L. Spadini et L. ChaletJ. Phys. IV France, 107 (2003) 863-865DOI: https://doi.org/10.1051/jp4:20030434