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Microscopic study of Elkhorn coal bed at Jenkins, Letcher county, Ky.

Carbonizing properties of Letcher County, Ky., coals

Published Year

• 1930-1939 (1)
• 1960-1969 (1)

Subject

• Coal--Kentucky--Letcher County (2) *
• Coal--Carbonization (1)
• Microscopy (1)

Author

• Birge, George W. (1)
• Lynch, James H., (1)
• O'Donnell, Hugh J., (1)
• Sprunk, G. C. (1)
• Thiessen, Reinhardt, (1)
• Wolfson, D. E. (1)

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