46th annual meeting of the American Institute of Mining Engineers and 34th mining symposium, Duluth, Minn., January 15-17, 1973, papers: the iron ore and steel industry considers its positions, problems, solutions
Publisher: University of Minnesota
Place of publication: Minneapolis
Language: eng
Number of pages: 147
Subjects: Iron mines and mining
Other titles: The ore and steel industry considers its positions, problems, solutions
Notes: 11