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Information spillovers and the efficiency of metallic mineral explorationDowning, Donald Odell. January 1977 (has links)
No description available.
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Base metal exploration efficiency and effectiveness : Canada, 1951-1974Hawkins, T. E. Gregory. January 1979 (has links)
No description available.
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Information spillovers and the efficiency of metallic mineral explorationDowning, Donald Odell. January 1977 (has links)
No description available.
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Base metal exploration efficiency and effectiveness : Canada, 1951-1974Hawkins, T. E. Gregory. January 1979 (has links)
No description available.
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Lighting concepts for Canadian minesTrotter, Donald Arthur. January 1976 (has links)
No description available.
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Effects of water pollution control costs on mining economics : the case of the base metal sector in CanadaPapanicolaou, Nicos A. January 1980 (has links)
No description available.
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Effects of water pollution control costs on mining economics : the case of the base metal sector in CanadaPapanicolaou, Nicos A. January 1980 (has links)
No description available.
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Lighting concepts for Canadian minesTrotter, Donald Arthur. January 1976 (has links)
No description available.
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