Jigging, Classification, Tabling, and Flotation Tests of Coals Presenting Difficult Washing Problems, with Particular Reference to Coals from Pierce County, Washington

Author:	Bird, B. M.
Year:	1931
Document Type:	N/A
Series:	United States Bureau of Mines Reports
Report Number:	Bulletin 337
Link:	https://digital.library.unt.edu/ark:/67531/metadc12507/