Analyses of Mine and Car Samples of Coal Collected in the Fiscal Years 1916 to 1919

Author:	Fieldner, Arno C.
Additional Authors:	Selvig, Walter A.
Year:	1922
Document Type:	N/A
Series:	United States Bureau of Mines Reports
Report Number:	Bulletin 193
Link:	https://digital.library.unt.edu/ark:/67531/metadc12384/