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Alby Aguilar Pesantes, Elizabeth Peña Carpio, Tomas Vitvar, Manuel María Mahamud López and Juan M. Menéndez-Aguado
The area of Ponce Enríquez, Southern Ecuador, is one of the most important artisanal and small scale gold mining (ASGM) areas in the country, where informal mining operations can be found using amalgamation technique, even though it has been prohibited s...
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