International system for classifying brown coals and lignites and its application to American coals

Author:	Ode, W. H.
Additional Authors:	Gibson, F. H.
Year:	1960
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:5695
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	5695
Subjects:	Coal
	Lignite
Link:	https://hdl.handle.net/2027/mdp.39015078528125