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Carbonizing properties of coals from Elk, Clarion, Jefferson, Clearfield, and Centre Counties, Pa.

Published Year

• 1960-1969 (1)

Subject

• Coal--Carbonization (1)
• Coal--Pennsylvania (1) *

Author

• Birge, George W. (1) *
• Lynch, James H., (1)
• Wolfson, D. E. (1)

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