Conditions under which coal is hauled underground are far more hazardous than those of surface railway transportation, but railroad companies give far more attention to safety than most coal mining companies; review of dangers in haulage; haulage accidents in 36 mines.
Haulage ranks second among coal-mine hazards
Nat Safety News
National Safety News ; 25 , n 4
1932
4 pages
Aufsatz (Zeitschrift)
Englisch
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