Search U.S. government technical reports digitized or harvested by TRAIL.
Accident prevention in the mines of Butte, Montana
Metal Mine Ventilation and its Relation to Safety and Efficiency in Mining Operations
Ventilation in metal mines :a preliminary report
Fire and ventilation doors in metal mines
Drilling and Dustiness of Metal-Mine Air
Distribution of air in metal-mine ventilation with especial reference to flexible tubing methods
Hazards in connection with concentrated coal mining
Mine explosions in the United States during the fiscal year ending June 30, 1928
Explosions and other accidents from mudcapped shots in coal mines
Progress in metal mine ventilation
Hazards in the use of delay-action detonators in coal mines
Mine explosions in the United States during the fiscal year ending June 30, 1929