Average heating values of American coals :by rank and by states

Author:	Flynn, George J.
Year:	1949
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7538
Series:	Information circular / U.S. Bureau of Mines ;
Report Number:	7538
Subjects:	Coal--Thermal properties
	Heating
	Chemistry, Technical
Link:	https://hdl.handle.net/2027/mdp.39015078464172