A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Accident experience iron-ore mines -- Lake superior district
Outline of mining methods in Minnesota, Wisconsin and Michigan iron mines; descriptive and statistical accident data.
Accident experience iron-ore mines -- Lake superior district
Outline of mining methods in Minnesota, Wisconsin and Michigan iron mines; descriptive and statistical accident data.
Accident experience iron-ore mines -- Lake superior district
U S Bur Mines -- Information Cir
Cash, F.E. (author) / Larsen, R.D. (author)
1945
9 pages
Report
English
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