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Ventilation eddy zones at a model coal mine working face
Methane in the Pittsburgh coalbed, Washington County, Pa.
Gas chromatographic method for analyzing gases associated with coal
Continuous monitoring system for mine gas concentrations using tube bundles
Accuracy and precision of several portable gas detectors:additional studies, a supplement to RI 7811
Commercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed
Evaluation of small, color-changing carbon monoxide dosimeters
Methane emissions from an advancing coal mine section in the Pittsburgh coalbed
Degasification and production of natural gas from an air shaft in the Pittsburgh coalbed
Sampling capability of vacutainers for fixed gases and low-molecular-weight hydrocarbons
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
Remote monitoring of air quality in underground mines
Geology and gas content of coalbeds in vicinity of Bureau of Mines, Bruceton, Pa.
Hydraulic stimulation of a surface borehole for gob degasification
Methane accumulations in coal mine roof cavities
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
Improved methods for monitoring production from vertical degasification wells
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
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