A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Mine explosions and fires in United States during fiscal year ended June 30 1933
Studies of 22 explosions in 10 states, and of 27 mine fires, 5 in metal mines; nearly one third of fires, causes of which are known, were due to electricity; 2 were caused by explosives and 8 were of spontaneous origin.
Mine explosions and fires in United States during fiscal year ended June 30 1933
Studies of 22 explosions in 10 states, and of 27 mine fires, 5 in metal mines; nearly one third of fires, causes of which are known, were due to electricity; 2 were caused by explosives and 8 were of spontaneous origin.
Mine explosions and fires in United States during fiscal year ended June 30 1933
U S Bur Mines -- Information Cir
Harrington, D. (author) / Fene, W.J. (author)
1934
19 pages
Report
English
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Coal-mine explosions and fires in United States during fiscal year ended June 30, 1934
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Mine explosions and fires in United States during fiscal year which ended June 30, 1932
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