Injury Experience in Coal Mining, 1948: Detailed Analysis of Factors Influencing Mine Safety and Related Employment, Production, and Productivity Data

Author:	Moyer, Forrest T.
Additional Authors:	Jones, G. D.
Year:	1952
Document Type:	N/A
Series:	United States Bureau of Mines Reports
Report Number:	Bulletin 509
Link:	https://digital.library.unt.edu/ark:/67531/metadc12668/