Transportation of iron ore, open-cut mines, Lake Superior district

Author: Johnson, John A.
Additional Authors: Cash, Frank E.
Year: 1948
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7458
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 7458
Subjects: Strip mining--Lake States--Equipment and supplies
Iron mines and mining--Lake States--Equipment and supplies
Mine haulage--Equipment and supplies
Link: https://hdl.handle.net/2027/mdp.39015077578428

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