Assaying ores, concentrates, and bullion /

Bibliographic Details
Main Author:	Heady, H. H. (Howard H.)
Corporate Author:	United States. Bureau of Mines
Other Authors:	Broadhead, Kenneth G.
Format:	Government Document Book
Language:	English
Published:	[Washington] : Dept. of the Interior, Bureau of Mines, 1977.
Edition:	Revision of Information circular 7695.
Series:	Information circular (United States. Bureau of Mines) ; 8714 r.
Subjects:	Assaying. Ores > Assaying > United States. Precious metals > United States > Analysis. Testing laboratories > United States.

Evans: US Documents (Annex 5th floor)