Structure in bituminous coals

Author:	Thiessen, Reinhardt.
Year:	1920
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	2196
Subjects:	Bituminous coal
	Coal
	Bituminous coal--Analysis
Link:	https://hdl.handle.net/2027/mdp.39015086554832