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- 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
- Effect of temperature on flame-arresting properties of flat joints in explosion-proof mine equipment
- 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
