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Coal-mine accidents in United States, 1939
Accidents resulted in 1078 fatalities and 54,015 non-fatal injuries; coal mining industry employed 539,375 men in 1939; number of man-hours of work performed increased 9% over 1938, but there was slight decrease in number of men employed; usual statistical details presented. (20¢)
Coal-mine accidents in United States, 1939
Accidents resulted in 1078 fatalities and 54,015 non-fatal injuries; coal mining industry employed 539,375 men in 1939; number of man-hours of work performed increased 9% over 1938, but there was slight decrease in number of men employed; usual statistical details presented. (20¢)
Coal-mine accidents in United States, 1939
U S Bur Mines -- Bul
Adams, W.W. (Autor:in) / Geyer, L.E. (Autor:in) / Parry, M.G. (Autor:in)
1942
123 pages
Report
Englisch
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Coal-mine accidents in United States, 1941
Engineering Index Backfile | 1944
|Coal-mine accidents in United States, 1940
Engineering Index Backfile | 1942
|Coal mine accidents in United States, 1932
Engineering Index Backfile | 1934
|Coal-mine accidents in United States: 1930
Engineering Index Backfile | 1932
|Coal mine accidents in United States, 1935
Engineering Index Backfile | 1938
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