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Transportation of iron ore, underground mines, Lake Superior district
Drilling and blasting, open-cut iron-ore mines, Lake Superior District
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Published Year
1940-1949 (1)
1950-1959 (1)
Subject
Iron mines and mining--Michigan (2)
Iron mines and mining--Minnesota (2) *
Iron mines and mining--Wisconsin (2)
Mine haulage (1)
Strip mining (1)
Author
Johnson, John A. (2) *
Anderson, Floyd G. (1)
Cash, Frank E. (1)
Stott, Roy G. (1)
