Administration of the Federal Coal-Mine Safety Act, calendar year 1956

Author:	Westfield, James.
Additional Authors:	Keenan, C. M., Weaver, H. F.
Year:	1957
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7795
Series:	Information circular / United States. Bureau of Mines ;
Report Number:	7795
Subjects:	Coal mines and mining--United States--Safety measures
	Mining law--United States
Link:	https://hdl.handle.net/2027/mdp.39015078459354