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History, 23.07.2019 06:30 LEXIEXO

Hydraulic mining was a mining technique first used in 1853. in this type of mining, high-pressured jets of water were used to extract silver and gold from the earth. which of the following best explains why the practice was discontinued?

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Hydraulic mining was a mining technique first used in 1853. in this type of mining, high-pressured j...

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