book
the geology and ore deposits of goldfield nevada 1909
Other
book
the gold fields of alaska-how to reach and operate them 1896
Other
book
the gold fields of lower california 1889
Other
book
the gold fields of st domingo 1860
Other
book
the gold mines of the rand 1895
Other
book
the golden colony 1855
Other
book
the mechanical engineering of collieries vol 1 1905
Other
book
the mechanical engineering of collieries vol 2 1909
Other
book
the miners handbook 1894
Other
book
the mining and metallurgy of gold and silver 1867
Other
book
the nature of ore deposits vol 1 1905
Other
book
the nature of ore deposits vol 2 1905
Other
book
the ore deposits of the rico mountains colorado 1902
Other
book
the ore deposits of the united states 1895
Other
book
the ore deposits of the united states and canada 1906
Other
book
the ore deposits of utah 1920
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book
the origin and rationale of colliery explosions 1895
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book
the practice of ore dressing in europe 1884
Other
book
the principles and practice of colliery ventilation 1879
Other
book
the resources of arizona-its mineral lands 1881
Other
book
the resources of california-mining 1869
Other
book
the sampling and estimation of ore in a mine 1904
Other
book
the stamp milling of gold ores 1897
Other
book
the story of coal and iron in alabama 1910
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book
the theory and practice of ore dressing 1915
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book
thirteen years of travel and exploration in alaska 1890
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book
tunneling by machinery 1867
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book
types of ore deposits 1911
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book
usa coal bearing areas map
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book
ventilation in mines 1903
Other