An overview of production of specific U.S. gemstones

Author:	Austin, Gordon.
Year:	1995
Issuing Agency:	U.S. Dept. of the Interior, U.S. Bureau of Mines :
SUDOC:	I 28.151:14-95
Series:	Special publication ;
Report Number:	14-95
Subjects:	Mines and mineral resources--United States
	Precious stones--United States
Links:	https://hdl.handle.net/2027/mdp.39015095154277
	https://hdl.handle.net/2027/mdp.39015041286546