Notes on lignite :its characteristics and utilization

Author:	Darling, S. M.
Year:	1919
Document Type:	USBM
Issuing Agency:	U.S.Bureau of Mines,
SUDOC:	I 28.7:178
Series:	Technical paper / Department of the Interior, Bureau of Mines ;
Report Number:	178
Subjects:	Lignite--Analysis
	Lignite--Economic aspects
	Lignite industry--By-products
Link:	https://hdl.handle.net/2027/mdp.39015077565698