Search U.S. government technical reports digitized or harvested by TRAIL.
Methane in California gold mines
Underground hygiene and sanitation
Fire and ventilation doors in metal mines
Compressed-air blowers as an aid to metal-mine ventilation
Use of geophone in locating compressed-air leaks
Distribution of air in metal-mine ventilation with especial reference to flexible tubing methods
Carbon-monoxide hazards from tobacco smoke
Fatal accident from entering unventilated raise after blasting
Experiments on mine-fan performance
Physiological factors of mine ventilation
Data on metal-mine ventilation in 1929
A novel method of ventilating a Pennsylvania coal mine
Mine ventilation in the Coeur d'Alene mining district
A ventilation study of the Graceton Coal & Coke Co. mine, Graceton, Pa.
Physiological factors in mine ventilation in 1931
Pressure losses due to bends and area changes in mine airways
Economic size of metal-mine airways
Metal-mine fires and ventilation
Methane-indicating detectors prove dependable in sampling air in anthracite mines
Hazards of compressed-air jets for ventilating gassy mines
Ventilation at the anthracite collieries of the northern Pennsylvania field
Some instruments and devices that coal-mine officials should understand and use
Some observations on coal-mine fans and coal-mine ventilation
Review of literature on conditioning air for advancement of health and safety in mines
Mine Safety Board decision 29 :doors for controlling ventilation in coal mines
Mine Safety Board decision 30 :main fan installations at coal mines
Mine Safety Board decision 31:main fan installations at metal mines
Air flow at discharge of fan-pipe lines in mines.
Some information for miners about coal-mine ventilation
Cooling mine air during summer months to prevent roof falls
Review of literature on conditioning air for advancement of health and safety in mines.
Health hazards from inadequate coal-mine ventilation
A plan for training mine officials in rescue organization and disaster prevention
Interpretation of permissible limits in the breathing of toxic substances in the air
Routine ventilation surveying in South Wales anthracite mines
Review of literature on conditioning air for advancement of health and safety in mines.
Historical r©Øesum©Øe of mine and tunnel ventilation studies, Bureau of Mines, 1910-49
Ventilation-air heating plants of the Menominee Range
A network analyzer for solving mine-ventilation-distribution problems
Making ventilation-pressure surveys with altimeters
Coal-mine ventilation without doors to control main air currents