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Coal mine accidents in United States, 1935
Slightly less than in 1934; figures represent "average" number of persons working; of States mining appreciable tonnage of coal, Alabama showed lowest fatality rate; statistical details.
Coal mine accidents in United States, 1935
Slightly less than in 1934; figures represent "average" number of persons working; of States mining appreciable tonnage of coal, Alabama showed lowest fatality rate; statistical details.
Coal mine accidents in United States, 1935
U S Bur Mines -- Bul
Adams, W.W. (Autor:in) / Geyer, L.E. (Autor:in) / Parry, M.G. (Autor:in)
1938
110 pages
Report
Englisch
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Coal mine accidents in United States, 1935
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