Proceedings of the 52nd annual Mining Symposium
Subtitle: January 10,11,12, 1979, Duluth, Minnesota
By: compiled by Loretta Klatt Graven.
Contributors: Graven, Loretta Klatt.; American Institute of Mining, Metallurgical and Petroleum Engineers. Minnesota Section
Publisher: s.n.]
Published: 1979
Place of publication: [s.l
Language: eng
Subjects: Mineral industries -- Congresses.; Mineral industries -- United States -- Congresses.
Other titles: Producing and protecting : today's mining challenge.; Proceedings of the fifty-second annual Mining Symposium.
Notes: "Sponsored by Minnesota Section, AIME ... [et al.]."

On cover: Producing and protecting - Today's Mining Challenge.

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