Search U.S. government technical reports digitized or harvested by TRAIL.
Effect of temperature on flame-arresting properties of flat joints in explosion-proof mine equipment
Safety practices in churn drilling at Morenci Branch, Phelps Dodge Corp, Morenci, Ariz.
Conditions and practices at coal mines in the Ruhr district of western Germany
A study to determine factors causing pressure piling in testing explosion-proof enclosures
Organizations with programs beneficial to coal-mine employees
Elimination of ethyl mercaptan vapor-air explosions in stench warning systems
International cooperation in reducing mine hazards
Respiratory protective devices approved by the Bureau of Mines as of October 16, 1958