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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


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