Search U.S. government technical reports digitized or harvested by TRAIL.
Three coal mine gob degasification studies using surface boreholes and a bleeder system
Behavior of wood fires in model tunnels under forced ventilation flow :Tests with untreated wood
Control of methane by ventilation of shafts during raise drilling
Methane drainage study using an underground pipeline, Marianna mine 58
Sulfur hexafluoride as a mine ventilation research tool :recent field applications
Degasification study from an air shaft in the Beckley Coalbed
Effects of a fan shutdown on a radon concentration in a positive pressure ventilated mine
Control of longwall gob gas with cross-measure boreholes (upper Kittanning coalbed)
Reducing longwall tailgate workers' dust exposure utilizing water-powered scrubbers
Diesels in underground mining :a review and an evaluation of an air quality monitoring methodology
Coal mine air tempering :effectiveness, design, and roof support
Comparison of rotary and in-hole motor techniques for drilling horizontal boreholes in coal
Laboratory evaluation of spray-applied rigid urethane foams
Face ventilation for oil shale mining
Transformer fluid fires in a ventilated tunnel
Dust controls to improve quality of longwall intake air
Deposition of respirable coal dust in an airway
Performance characteristics of large-capacity face ventilation systems for oil shale mining
Wood crib fires in a ventilated tunnel
Recent developments in spray cooling of deep mines
Results of direct-method determination of the gas content of U.S. coalbeds
Evaluating ventilation parameters of three coal mine gobs
Method factors for anemometer measurement at pipe outlets
Calculating fire-throttling of mine ventilation airflow
Effects of barium-based additive on diesel exhaust particulate
Impact of water sprays on scrubber ventilation effectiveness