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Use of pulverized rock as dense medium for salvaging coal from Pittsburgh-bed refuse

Preparation characteristics of coal from Allegheny County, Pa.

Published Year

• 1950-1959 (2)

Subject

• Coal preparation (2) *
• Coal--Pennsylvania--Allegheny County (2) *

Author

• Palowitch, Eugene R. (2)
• Gray, T. E. (1)
• Jolley, T. R. (1)
• Sokaski, M. (1)

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