Browse TRAIL Inventories

Methane accumulations from interrupted ventilation,with special reference to coal mines in Illinois and Indiana

Methane in California gold mines

Physiological factors of mine ventilation

Methane emission from U.S. coal mines :a survey

Methane emission rate study in a deep Pocahontas No. 3 coalbed mine in conjunction with drilling degasification holes in the coalbed

Methane control by isolation of a major coal panel :Pittsburgh coalbed

Degasification of virgin Pittsburgh coalbed through a large borehole

Ventilation eddy zones at a model coal mine working face

Sampling capability of vacutainers for fixed gases and low-molecular-weight hydrocarbons

Directionally controlled drilling to horizontally intercept selected strata, upper Freeport coalbed, Green County, Pa.

Hydraulic stimulation of a surface borehole for gob degasification

Directional drilling for coalbed degasification :program goals and progress in 1978

Three coal mine gob degasification studies using surface boreholes and a bleeder system

Evaluating ventilation parameters of three coal mine gobs


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