Search U.S. government technical reports digitized or harvested by TRAIL.
Notes on the prevention of dust and gas explosions in coal mines
Suggested safety rules for installing and using electrical equipment in bituminous coal mines
Organizing and conducting safety work in mines
Permissible explosives :tested prior to January 1, 1917
The quick determination of incombustible matter in coal and rock-dust mixtures in mines
State mining laws on the use of electricity in and about coal mines
Permissible explosives, mining equipment, and apparatus, approved prior to March 15, 1922
Permissible explosives, mining equipment and apparatus approved prior to January 1, 1923
Permissible explosives, mining equipment, and apparatus approved prior to January 1, 1925
Safety rules for installing and using electrical equipment in coal mines
Coal-dust explosions in mines :causes, effects, and recommendations for prevention
Coal-dust explosibility factors indicated by experimental mine investigations 1911 to 1929
Coal-mine safety organizations in Alabama
Maintenance of electrical mine equipment from the viewpoint of the safety inspector
Hazard of igniting coal by electric circuits in mines
Characteristics of fuel pitches and their explosibility in pulverized form