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

Additional Authors:	Reynolds, D. A., McCartney, J. T., Holmes, C. R., Sprunk, G. C., Davis, Joseph Dana,
Year:	1943
Document Type:	USBM
Issuing Agency:	U.S. Govt. Print. Off., Bureau of Mines,
SUDOC:	I 28.7:655
Series:	Technical paper / United States. Bureau of Mines ;
Report Number:	655
Subjects:	Carbonization
	Coal--Testing
	Coal--Pennsylvania--Allegheny County
Link:	https://hdl.handle.net/2027/mdp.39015078485656