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Amazon gold mining_10rf00037.jpg
Gold mining, Amazon deforestation - hydraulic mining known as "chupadeira system", a form of mining that uses high-pressure jets of water to dislodge rock material or move sediment.  Workers clear the designated work front and then dug down to the level of ore-bearing material. Large and deep holes are made in forest land. Amazon rain forest deforestation, Agua Branca gold mining village, Para State, Brazil.