Browse TRAIL Inventories

An in-situ diffusion parameter for the Pittsburgh and Pocahontas No. 3 coalbeds

The methane migration and storage characteristics of the Pittsburgh, Pocahontas No. 3, and Oklahoma Hartshorne coalbeds

Methane migration characteristics of the Pocahontas No. 3 coalbed

Methane diffusion parameters for sized coal particles :a measuring apparatus and some preliminary results

The direct method of determining methane content of coalbeds for ventilation design

Ventilation eddy zones at a model coal mine working face

Statistical analysis of methane concentration fluctuations produced by incomplete mixing of methane and air at a model coal mine working face

Tracer gas as an aid in mine ventilation analysis

Peak methane concentrations during coal mining:an analysis

Using sulfur hexafluoride as a gaseous tracer to study ventilation systems in mines

Building stoppings in mines with large openings

Two-phase flow in coalbeds

Replacing brattice cloth at coal faces with air curtains and diffuser fans,a preliminary study

Methane buildup hazards caused by dust scrubber recirculation at coal mine working faces,a preliminary estimate

A spiral sequential sampler for air and liquids :preliminary results

An evaluation of emergency inflatable stoppings for use in metal mine fire rescue and recovery operations

Three coal mine ventilation studies using sulfur hexafluoride tracer gas

Using inflatable stoppings during production in noncoal mines

Longwall gob degasification with surface ventilation boreholes above the Lower Kittanning coalbed

Brattice window method for measuring leakage through mine stoppings

Methane absorption in oil shale and its potential mine hazard

Hydraulic stimulation of a surface borehole for gob degasification

Jet fan effectiveness as measured with SF₆ tracer gas

Methane accumulations in coal mine roof cavities

Methane emissions from gassy coals in storage silos

Bureau of Mines damage-resistant brattice

Tracer gas method for measuring leakage through mine stoppings

Correction factors for low-velocity airflow measurements in mines

Forecasting methane hazards in metal and nonmetal mines


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