Search U.S. government technical reports digitized or harvested by TRAIL.
List of respiratory protective devices approved by the U.S. Bureau of Mines
List of respiratory protective devices approved by the Bureau of Mines
Selection, use, and maintenance of respiratory protective devices
Suggested hoisting-signal code for metal-mine shafts
Suggested hoisting-signal code for slope coal mines and for shaft mines having only one level
Some outstanding safety records in the mining and allied industries
Hazards of entering old mine workings
List of respiratory protective devices approved by the Bureau of Mines
Underground metal-mine fires from cutting and welding
Safety practices at United Verde Mine, Phelps Dodge Corp., Jerome, Ariz.