Search U.S. government technical reports digitized or harvested by TRAIL.
Active list of permissible explosives and blasting devices approved prior to June 30. 1931.
Coal-mine safety organizations in Alabama
Official changes in the active list of permissible explosives and blasting devices for October, 1931
Some coal-mine safety organizations in the Pennsylvania bituminous field
Supervision as a means of preventing accidents from falls of roof and coal
Active list of permissible explosives and blasting devices approved prior to June 30, 1932
List of motors available to prospective builders of permissible outfits
250 versus 500 volts or more for circuits in gassy coal mines
Maintenance of electrical mine equipment from the viewpoint of the safety inspector
Hazards to underground workers from inflammable surface structures near mine openings
The importance of discipline in mine safety
Portable electric lamps for animal haulage in Alabama
Blasting practices as they affect the roof of coal mines in Ohio, Pennsylvania, and West Virginia
Evolution of methane detecting devices for coal mines
Active list of permissible explosives and blasting devices approved prior to June 30, 1933.
A million tons of anthracite mined without a fatality
Operating coal mines without accidents
Bituminous coal-mine safety-inspection outline
List of standard starters available to prospective builders of permissible outfits
Electric cap lamps in Alabama mines, 1935
Hazard of igniting coal by electric circuits in mines
Methane-indicating detectors prove dependable in sampling air in anthracite mines
Active list of permissible explosives and blasting devices approved prior to July 31, 1936.
Dust hazards and their control in mining
Hazards of compressed-air jets for ventilating gassy mines
List of permissible mine equipment :approved to January 1, 1937
Coal-mine fires of electrical origin :their cause and prevention
Tests of a barrier using rock dust in paper bags
Lighting practices in coal mines of the United States
Mine Safety Board decision 29 :doors for controlling ventilation in coal mines
Mine Safety Board decision 30 :main fan installations at coal mines
Formation, collection, and treatment of coal dust in mines
Characteristics of fuel pitches and their explosibility in pulverized form
Mine Safety Board decision 32 :prevention of coal-dust explosions by rock dusting
List of permissible mine equipment approved to January 1, 1940
Some preliminary data on methods for controlling the dust hazards in mechanical mining
Mine Safety Board decision 33 :Bureau of Mines definition of a gassy coal mine
List of permissible mine equipment approved to January 1, 1942
Testing safety catches on mine cages at some eastern bituminous-coal mines
Blasting hazards in strip mines adjacent to underground workings
Suggested hoisting-signal code for slope coal mines and for shaft mines having only one level
Permissible mine equipment approved during 1944
Hazards of the trolley-locomotive haulage system in coal mines
A plan for training mine officials in rescue organization and disaster prevention
Inspection standards for strip mines(coal and lignite).
Use of rock dust and water under the Federal Mine Safety Code in limiting coal-dust explosions