Browse TRAIL Inventories

Methods and costs of sinking a circular concrete-lined ventilation shaft

Methods and costs of shaft sinking in the Coeur d'Alene District, Shoshone County, Idaho

Survey of face ventilation practices in coal mines

Methods and costs of shaft sinking, U.S. Atomic Energy Commission Project Gnome, near Carlsbad, New Mexico

A study of dust-control methods for continuous mining of coal

Removing methane (degasification) from the Pocahontas No. 4 coalbed in southern West Virginia

Ventilation of continuous-miner places in coal mines

Rigid foam for mines

Electronic monitoring of mine fans

Rock-dust disseminator used in return air currents, Koehler Mine, Kaiser Steel Corp., Koehler, N. Mex.

Stoppings for ventilating coal mines

Effects of bleeder entries during atmospheric pressure changes

Face ventilation in underground bituminous coal mines :performance characteristics of common jute line brattice

Miniature bilevel alarm for oxygen-deficient atmospheres

Gas chromatographic analyses of the principal constituents of mine atmospheres

Miniature oxygen deficiency alarm

Face ventilation in underground bituminous coal mines :airflow characteristics of flexible, spiral-reinforced ventilation tubing

Radiation-ventilation relationships in six underground uranium mines

Face ventilation in underground bituminous coal mines :airflow and methane distribution patterns in immediate face area-line brattice


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