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Metal- and nonmetal-mine accidents in United States during calendar year 1939
Report gives statistics for metal and non-metallic mines other than coal; in 9123 mines 111,909 men were employed; accidents resulted in 173 deaths and 13,710 non-fatal injuries; 8993 individual mines were operated without fatal accidents. (10¢)
Metal- and nonmetal-mine accidents in United States during calendar year 1939
Report gives statistics for metal and non-metallic mines other than coal; in 9123 mines 111,909 men were employed; accidents resulted in 173 deaths and 13,710 non-fatal injuries; 8993 individual mines were operated without fatal accidents. (10¢)
Metal- and nonmetal-mine accidents in United States during calendar year 1939
U S Bur Mines -- Bul
Adams, W.W. (author) / Kolhos, M.E. (author)
1941
52 pages
Report
English
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Metal- and nonmetal-mine accidents in United States during calendar year 1940
Engineering Index Backfile | 1942
|Metal-mine accidents in United States during calendar year 1938
Engineering Index Backfile | 1941
|Metal-mine accidents in United States during calendar year 1937
Engineering Index Backfile | 1940
|Metal-mine accidents in United States during calendar year 1935
Engineering Index Backfile | 1938
|Metal-mine accidents in United States during calendar year 1935
Engineering Index Backfile | 1938
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