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The Constituents of Coal Soluble in Phenol

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

Coal-Mine Fatalities in April, 1931

Size Consist, Chemical Analysis, and Physical Properties of 2-1/2-Inch Subbituminous Slack from the Denver, Colorado Region

Grounding Electrical Equipment In and About Coal Mines

Published Year

• 1910-1919 (1)
• 1920-1929 (3)
• 1930-1939 (1)
• 1940-1949 (2)

Subject

• Coal mines and mining. (7) *
• Coal mine accidents. (2)
• Chemistry. (1)
• Coal -- Analysis. (1)
• Coal -- Colorado. (1)
• Energy conservation. (1)
• Fuel. (1)
• Mine rescue work. (1)
• Mines and mineral resources -- Equipment and supplies. (1)
• Signals and signaling. (1)
• Steam-boilers. (1)

Author

• Adams, William Waugh (1)
• Fraser, Thomas (1)
• Frazer, J. C. W. (1)
• Freeman, H. B. (1)
• Griffith, Franklin E. (1)
• Ilsley, L. C. (1)
• Parry, V. F. (1)
• Paul, James Washington (1)

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