Søgeresultater - Conference on Small Scale Mining

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    Wokim gold long Morobe, 1922-1942 / af Kuluah, Albert

    Udgivet 1983 “...Conference on Small Scale Mining...”
    Conference Proceeding
  3. 3

    Proceedings of the Conference on Small Scale Mining in Papua New Guinea, held at the University of Technology, Lae, 4th-8th June, 1983

    Udgivet 1983 “...Conference on Small Scale Mining in Papua New Guinea (1983 : University of Technology, Lae)...”
    Bog
  4. 4

    Small-scale mining : a global overview /

    Udgivet 1994 “...International Conference on Small-scale Mining...”
    Conference Proceeding