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Experiments on strength of small pillars of coal in the Pittsburgh bed

Tests of salt as a substitute for rock dust in the prevention of coal-dust explosions in mines

Progress report :experiments on strength of small pillars of coal in the Pittsburgh bed

Effect of changes in moisture and temperature on mine roof.

A study of summer air conditioning with water sprays to prevent roof falls at the Beech Bottom Coal Mine, West Virginia

Use of salts to allay dust on shuttle-car roadways in coal mines

Effect of relief vents on reduction of pressures developed by dust explosions

Tests on the ignition of natural gas-air mixtures by permissible explosives in the experimental coal mine

Pressure-relieving capacities of diaphragms and other devices for venting dust explosions

Recent studies on the explosibility of cornstarch

Explosive characteristics of titanium, zirconium, thorium, uranium and their hydrides

Incombustible required on floor and on rib-roof surfaces of coal mines to prevent propagation of explosions

Frictional ignition of gas by mining machines

Rock dusting and sampling including wet rock dusting at the Bureau of Mines experimental coal mine

Experiments on water infusion in the experimental coal mine

Studies on the development and control of coal-dust explosions in mines

Special precautions for multiple short-delay blasting in coal mines


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