48th Annual meeting of the Minnesota Section, AIME, and 36th annual Mining Symposium, January 15, 16, 17, 1975, Duluth, Minnesota : [proceedings] /

Eitemau Tebyg

• Bulletin of the University of Minnesota, Minnesota School of Mines Experiment Station.
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  Cyhoeddwyd: (1962)
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  Cyhoeddwyd: (1963)
• Twenty-ninth annual mining symposium and the Forty-first annual meeting of the Minnesota Section, AIME, January 15-17, 1968, Duluth, Minnesota /
  Cyhoeddwyd: (1968)