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The Recovery of Unburned Fuel from Boiler Furnace Refuse

Experiments in Underground Communication Through Earth Strata

Review of State Mine Inspector's Reports as They Relate to Accidents from Falls of Roof

Published Year

• 1920-1929 (3) *

Subject

• Coal mines and mining. (3) *
• Coal mine accidents. (1)
• Energy conservation. (1)
• Fuel. (1)
• Mine rescue work. (1)
• Signals and signaling. (1)
• Steam-boilers. (1)

Author

• Fraser, Thomas (1)
• Freeman, H. B. (1)
• Ilsley, L. C. (1)
• Paul, James Washington (1)

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