Search U.S. government technical reports digitized or harvested by TRAIL.
The value of oxygen breathing apparatus to the mining industry
Accident-prevention work of the Midwest Refining Co.
The unusually good safety record of a coal mine and of a coal-mine foreman
Mine safety and accident economy in Colorado metal mines
Industrial safety training at a mining school
Some observations as to safety hazards in 47 northern Colorado subbituminous coal mines
Some observations on coal-mine fans and coal-mine ventilation