Analyses of Washington Coals: Supplement to Technical Papers 491 and 618

Author:	Daniels, Joseph
Additional Authors:	Yancey, H. F., Abernethy, R. F., Geer, M. R., Aresco, S. J.
Year:	1958
Document Type:	N/A
Series:	United States Bureau of Mines Reports
Report Number:	Bulletin 572
Link:	https://digital.library.unt.edu/ark:/67531/metadc12725/