What's wrong with mine safety programs

Author:	Harrington, D.
Year:	1937
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:6958
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	6958
Subjects:	Mine safety--United States
	Mines and mineral resources--United States--Safety measures--Evaluation
Link:	https://hdl.handle.net/2027/mdp.39015077570060