Analyses of Washington coals

Additional Authors:	Yancey, H. F., Kiessling, O. E., Ash, S. A.
Year:	1931
Document Type:	USBM
Issuing Agency:	U.S.Bureau of Mines,
Series:	Technical paper / United States. Bureau of Mines ;
Report Number:	491
Subjects:	Coal--Analysis
	Coal--Washington (State)
Link:	https://hdl.handle.net/2027/mdp.39015077559444