A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Metal-mine accidents in United States during calendar year 1937
Statistics for metal mines and also non-metallic mines other than coal; in 9040 mines, 118,429 men were employed; accidents resulted in 219 deaths and 18,055 non-fatal injuries; 8,892 individual mines were operated without fatal accidents, in California, 70% of mine workers were employed in fatality-free mines. (10¢)
Metal-mine accidents in United States during calendar year 1937
Statistics for metal mines and also non-metallic mines other than coal; in 9040 mines, 118,429 men were employed; accidents resulted in 219 deaths and 18,055 non-fatal injuries; 8,892 individual mines were operated without fatal accidents, in California, 70% of mine workers were employed in fatality-free mines. (10¢)
Metal-mine accidents in United States during calendar year 1937
U S Bur Mines -- Bul
Adams, W.W. (author) / Kolhos, M.E. (author)
1940
54 pages
Report
English
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