Search U.S. government technical reports digitized or harvested by TRAIL.
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