A Practical Treatise on Hydraulic Mining in California: With Description of the Use and Construction of Ditches, Flumes, Wrought-iron Pipes, and Dams; Flow of Water on Heavy Grades, and Its Applicability, Under High Pressure, to MiningD. Van Nostrand, 1891 - 307 strani |
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A Practical Treatise On Hydraulic Mining in California Augustus Jesse Bowie Predogled ni na voljo - 2018 |
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