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Splint coals of the Appalachian Region:their occurrence, petrography, and comparison of chemical and physical properties with associated bright coals

Precision of the volatile matter determination for anthracite, low-temperature coke, and subbituminous coal

Rare and uncommon chemical elements in coal

Analyses of ash from coals of the United States

Resins in coal

Published Year

• 1940-1949 (5) *

Subject

• Coal--Analysis (5) *
• Bituminous coal (1)
• Coal--Appalachian Mountains (1)
• Coal--United States (1)
• Gums and resins (1)

Author

• Selvig, W. A. (5) *
• Gibson, F. H. (2)
• O'Donnell, H. J. (1) *
• Ode, W. H. (1)
• Sprunk, George C, (1)

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