skip to content
Search
Search U.S. government technical reports digitized or harvested by
TRAIL
.
Keyword Search
Enter your search term(s):
[advanced search]
2 results returned
Browse TRAIL Inventories
(opens in new tab)
Search results
Assaying ores, concentrates, and bullion
Assaying ores, concentrates, and bullion :revision of Information Circular 7695
Refine your search results
Published Year
1970-1979 (2) *
Subject
Ores--United States--Analysis (1)
Ores--United States--Sampling and estimation (1)
Precious metals--Assaying--United States (1)
Precious metals--United States--Analysis (1)
Testing laboratories--United States (1)
Author
Heady, Howard H. (2) *
Broadhead, K. G. (1)
Broadhead, Kenneth G., (1)
