Mining Symposium, University of Minnesota. Center for Continuation Study, University of Minnesota. School of Mines and Metallurgy, & American Institute of Mining, Metallurgical, and Petroleum Engineers. Minnesota Section. Meeting. (1961). Annual Mining Symposium and the ... annual meeting, Minnesota Section, A.I.M.E. University of Minnesota, School of Mines and Metallurgy and Center for Continuation Study of the General Extension Division in cooperation with the Minnesota Section of the American Institute of Mining, Metallurgical, and Petroleum Engineers.

Mining Symposium, University of Minnesota. Center for Continuation Study, University of Minnesota. School of Mines and Metallurgy, e Metallurgical American Institute of Mining. Annual Mining Symposium and the ... Annual Meeting, Minnesota Section, A.I.M.E. [Minneapolis, Minn.]: University of Minnesota, School of Mines and Metallurgy and Center for Continuation Study of the General Extension Division in cooperation with the Minnesota Section of the American Institute of Mining, Metallurgical, and Petroleum Engineers, 1961.

Mining Symposium, et al. Annual Mining Symposium and the ... Annual Meeting, Minnesota Section, A.I.M.E. University of Minnesota, School of Mines and Metallurgy and Center for Continuation Study of the General Extension Division in cooperation with the Minnesota Section of the American Institute of Mining, Metallurgical, and Petroleum Engineers, 1961.