Search U.S. government technical reports digitized or harvested by TRAIL.
Methane in California gold mines
Precautions to be observed in entering abandoned exploratory shafts and pits
Propagation of flame in mixtures of natural gas and air
Do fuses protect against methane ignition?
Ignition of coal dust-methane-air mixtures by hot-turbulent-gas jets
Portable methane detectors :effects of gases in mine atmospheres
An in-situ diffusion parameter for the Pittsburgh and Pocahontas No. 3 coalbeds
Gases desorbed from five coals of low gas content
Methane in the Pittsburgh coalbed, Washington County, Pa.
Methane emissions from an advancing coal mine section in the Pittsburgh coalbed
Geology and methane content of the upper Freeport coalbed in Fayette County, Pa.
Effects of hydraulic stimulation on coalbeds and associated strata
Methane absorption in oil shale and its potential mine hazard
Hydraulic stimulation of a surface borehole for gob degasification
Methane emissions from gassy coals in storage silos
Methane drainage study in the Sunnyside coalbed, Utah
Experimental studies on the origin and accumulation of coalbed gas
Methane drainage :experience with hydraulic stimulation through slotted casing
Directional drilling for coalbed degasification :program goals and progress in 1978
Grouting horizontal drainage holes in coalbeds
Forecasting methane hazards in metal and nonmetal mines
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