Search U.S. government technical reports digitized or harvested by TRAIL.
Tests on the control of coal-mine fires in the experimental coal mine
Experiments on safety of incombustible plugs for stemming explosives
Analysis of haulage fatalities in bituminous-coal mines in 1950
A practical method for teaching mine workers and officials use of gas-detecting equipment
Recommendations for improved shuttle-car-haulage safety
Fire-fighting equipment in coal mines :selection, placement, and care
Organizations with programs beneficial to coal-mine employees
Safety aspects of controls and operations of belt conveyors in coal mines
Methane buildup during cutting and continuous mining operations
Active list of permissible explosives and blasting devices approved before December 31, 1957
Studies with high-expansion foams for controlling experimental-coal-mine fires :a progress report