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Coal-dust explosions in mines caused by direct electrical ignition

The effectiveness of different-size rock dusts in preventing coal-dust explosions in mines

Tests of the strength of concrete stoppings designed to resist the pressure of explosions in coal mines

Some experiments on the initiation of coal-dust explosions by gas explosions

Concrete Stoppings in Coal Mines for Resisting Explosions: Detailed Tests of Typical Stoppings and Strength of Coal as a Buttress

The Experimental mine of the United States Bureau of Mines

Tests of the compressibility and bearing strength of potash salt

Tests of a barrier using rock dust in paper bags

Compression tests of roof-salt slabs supported by potash salt pillars

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


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