Ngā hua rapu - Society for Mining, Metallurgy, and Exploration (U.S.)
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1
Practical placer mining /
I whakaputaina 1992“…Society for Mining, Metallurgy, and Exploration (U.S.)…”
Pukapuka -
2
Gold forum on technology and practices, world gold '89 : Proceedings /
I whakaputaina 1989“…Society for Mining, Metallurgy, and Exploration (U.S.)…”
Conference Proceeding Pukapuka