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Classification chart of typical coals of the United States :showing B.t.u. per pound on the moist, mineral-matter-free basis, plotted against fixed carbon on the dry, mineral-matter-free basis

Carbonizing Properties: Eastern Kentucky Coals from Elkhorn Number 1, Elkhorn Number 2, Leatherwood, and Harlan Beds

The international systems of hard-coal classification and their application to American coals

Published Year

• 1930-1939 (1)
• 1950-1959 (2)

Subject

• Coal--Classification (1)
• Coal--United States (1)

Author

• Frederic, W. H. (3) *
• Brewer, R. E. (1)
• Davis, J. D. (1)
• Fieldner, Arno Carl, (1)
• Naugle, B. W. (1)
• Ode, W. H. (1)
• Reynolds, D. A. (1)
• Selvig, W. A. (1) *
• Wolfson, D. E. (1)

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