Search U.S. government technical reports digitized or harvested by TRAIL.
Portable methane-detecting appliances approved under United States Bureau of Mines standard
Methane emission from U.S. coal mines :a survey
An in-situ diffusion parameter for the Pittsburgh and Pocahontas No. 3 coalbeds
Methane control by isolation of a major coal panel :Pittsburgh coalbed
The composition of coalbed gas
Direct method determination of the gas content of coal : procedures and results
Assessing the methane hazard of gassy coals in storage silos
Determining face methane-liberation patterns during longwall mining
Method factors for anemometer measurement at pipe outlets
Review of membrane technology for methane recovery from mining operations
Effect of shearer web depth on dust generation and methane liberation