224 resultados para underground mines
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Stereograph
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Translation of Fragmens d'un voyage en Afrique.
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Microfilm. Ann Arbor, Mich. University Microfilms (n.d.) (American Culture Series, Reel 389.4)
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Convention signed on 27 june 1308 (1892) [i.e. 8 July 1892]
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Issued by the Bureau of Mines, 1891-1919; by the Dept. of Mines, 1920-1970
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Mode of access: Internet.
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Publication suspended Oct.1914-1918, Jan.-Mar.1920
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Superseded by World Mines Register after v.29?
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Mode of access: Internet.
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Title varies slightly
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Mode of access: Internet.
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Part V of the report of the Department of Internal Affairs
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Mode of access: Internet.