Search U.S. government technical reports digitized or harvested by TRAIL.
Three coal mine gob degasification studies using surface boreholes and a bleeder system
Practical ignition problems related to intrinsic safety in mine equipment :four short-term studies
Underground gob gas drainage during longwall mining
Inhibition and extinction of coal dust and methane explosions
Methodology for determining occluded gas contents in domal rock salt
General time-dependent solutions for radon diffusion from samples containing radium
Simulation of methane flows in noncoal mines
Gas equilibrium in sealed coal mines