Search U.S. government technical reports digitized or harvested by TRAIL.
Hazards in connection with concentrated coal mining
Explosions and other accidents from mudcapped shots in coal mines
Some phases of the relative responsibility of management and workers for accidents in mines
Hazards to underground workers from inflammable surface structures near mine openings
The importance of discipline in mine safety
Operating coal mines without accidents
Dust hazards and their control in mining
Formation, collection, and treatment of coal dust in mines
Suggested hoisting-signal code for slope coal mines and for shaft mines having only one level
Hazards of the trolley-locomotive haulage system in coal mines