Technologic and related trends in the mineral industries, 1972

Year:	1973
Document Type:	USBI
Issuing Agency:	U.S. Bureau of Mines,
SUDOC:	I 28.27:8603
Series:	Information circular / Bureau of Mines ;
Report Number:	8603
Subjects:	Mines and mineral resources--United States
	Mineral industries--United States
Link:	https://hdl.handle.net/2027/mdp.39015078463331