Low-Temperature Carbonization Assays of North American Coals

Author:	Selvig, W. A.
Year:	1957
Document Type:	N/A
SUDOC:	I 28.3:571
Series:	United States Bureau of Mines Reports
Report Number:	Bulletin 571
Subjects:	Coal -- Carbonization.
	Coal -- North America.
Link:	http://digital.library.unt.edu/ark:/67531/metadc38795/