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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

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

Published Year

• 1930-1939 (9) *

Subject

• Mine explosions (2)
• Coal mines and mining--Dust control--Pennsylvania--Pittsburgh (1)
• Coal mines and mining--Pennsylvania--Pittsburgh (1)
• Coal mines and mining--Safety measures (1)
• Concrete stoppings (Mining)--Testing (1)
• Electric ignition (1)
• Explosions (1)
• Mine dusts--Pennsylvania--Pittsburgh (1)
• Pillaring (Mining) (1)
• Potash deposits--New Mexico (1)
• Potash industry and trade--New Mexico (1)
• Potash mines and mining--New Mexico (1)

Author

• Greenwald, H. P. (9)
• Howarth, H. C. (9) *
• Rice, G. S. (4)
• Hartmann, Irving. (1)
• Rice, George S. (1)
• Rice, George Samuel, (1)

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