Books by Chester Wells Purington
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Sluicing at the Kolchan Mines, East Siberia
€39.66
€49.57
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Mine Sampling and Valuing; a Discussion of the Methods Used in Sampling and Valuing ore Deposits, With Especial Reference to the Work of Valuation by the Independent Engineer
Chester Wells Purington, C S Herzig
€44.20
€55.25
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Mine Sampling and Valuing; a Discussion of the Methods Used in Sampling and Valuing ore Deposits, With Especial Reference to the Work of Valuation by the Independent Engineer
Chester Wells Purington, C S Herzig
€26.22
€32.78
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Methods And Costs Of Gravel And Placer Mining In Alaska
€34.52
€43.15
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Methods And Costs Of Gravel And Placer Mining In Alaska
€54.42
€68.02
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