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