Splint coals of the Appalachian Region:their occurrence, petrography, and comparison of chemical and physical properties with associated bright coals

Additional Authors:	Sprunk, George C,, O'Donnell, H. J., Ode, W. H., Selvig, W. A.
Year:	1940
Document Type:	USBM
Issuing Agency:	U.S. Govt. Print. Off., Bureau of Mines,
SUDOC:	I 28.7:615
Series:	Technical paper / Bureau of Mines
Report Number:	615
Subjects:	Coal--Appalachian Mountains
	Coal--Analysis
	Bituminous coal
Link:	https://hdl.handle.net/2027/mdp.39015078485300