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Hydraulic mining - washing down the bank into the sluice.

Subjects: California, Pipes (Conduits), Gold mining, Hydraulic mining
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic Mining - washing down the bank into the sluice.

Subjects: California, Pipes (Conduits), Gold mining, Hydraulic mining
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic mining - behind the pipes.

Subjects: California, Gold mining, Hydraulic mining, Mineral industries, Environmental aspects
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic mining - behind the pipes.

Subjects: California, Gold mining, Hydraulic mining, Mineral industries, Environmental aspects
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic mining - The Palm claim, Timbuctoo, Yuba County.

Subjects: California, Gold mining, Yuba County (Calif.), Hydraulic mining, Mineral industries, Environmental aspects
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic mining - The Palm claim, Timbuctoo, Yuba County.

Subjects: California, Gold mining, Yuba County (Calif.), Hydraulic mining, Mineral industries, Environmental aspects
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic mining - The gate, Yuba County.

Subjects: California, Yuba County (Calif.), Hydraulic mining
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic Mining.

Subjects: California, California, mining, Gold miners, Hydraulic mining, Mineral industries, Environmental aspects
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic Mining, Cal.

Subjects: California, California, mining, Pipes (Conduits), Gold mining, Hydraulic mining, Mineral industries, Environmental aspects
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic Mining, Gold Run C.P.R.R. Cal.

Subjects: California, California, mining, Gold mining, Hydraulic mining, Mineral industries, Environmental aspects
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic Gold Mining, California.

Subjects: California, California, mining, Gold mining, Hydraulic mining, Mineral industries, Environmental aspects
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Pipes that supply the water for hydraulic mining.

Subjects: California, California, mining, Pipes (Conduits), Hydraulic mining
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic Mining, Cal.

Subjects: California, California, mining, Gold mining, Hydraulic mining, Mineral industries, Environmental aspects
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Gold Bearing Pyramid, California.

Subjects: California, California, mining, Gold mining, Hydraulic mining, Mineral industries, Environmental aspects
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]
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Hydraulic mining in California.

Subjects: California, California, mining, Gold mining, Hydraulic mining, Mineral industries, Environmental aspects
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]