Mine health and safety contract research, development and demonstration in fiscal year 1979

Year:	1979
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I28.27:8797
Series:	Information circular / U.S. Dept. of the Interior, Bureau of Mines ;
Report Number:	8797.
Subjects:	Mine safety--Research--United States
	Mine sanitation--Research--United States
Link:	https://hdl.handle.net/2027/mdp.39015078460956