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Carbonizing properties and petrographic composition of Pittsburgh-bed coal from Bureau of Mines Experimental mine, Bruceton, Allegheny County, Pa.

Carbonizing properties and petrographic composition of thick Freeport-bed coal from Harmar mine, Harmarville, Allegheny County, Pa. :and the effect of blending this coal with Pocahontas No. 3- and 4-bed coals

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

Preparation characteristics of coal from Allegheny County, Pa.

Published Year

• 1930-1939 (1)
• 1940-1949 (1)
• 1950-1959 (2)

Subject

• Coal--Pennsylvania--Allegheny County (4) *
• Carbonization (2)
• Coal preparation (2)
• Coal--Testing (2)

Author

• Palowitch, Eugene R. (2)
• Reynolds, D. A. (2)
• Sprunk, G. C. (2)
• Brewer, R. E. (1)
• Davis, J. D. (1)
• Davis, Joseph Dana, (1)
• Fieldner, Arno Carl, (1)
• Gray, T. E. (1)
• Holmes, C. R. (1)
• Jolley, T. R. (1)
• McCartney, J. T. (1)
• Selvig, W. A. (1)
• Sokaski, M. (1)

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