Search U.S. government technical reports digitized or harvested by TRAIL.
Compressed-air blowers as an aid to metal-mine ventilation
Distribution of air in metal-mine ventilation with especial reference to flexible tubing methods
Water spray vent tube cooler for hot stopes :a preliminary report
Constructing ventilation bulkheads with shotcreted wire panel
The water spray cooler :an update
Design criteria for rapid-response pneumatic monitoring systems
Effect of turbulence on vortex-shedding air-velocity transducers
Exhaust ventilation of deep cuts using a continuous-mining machine
Control of diesel particulate matter in underground coal mines