| Author: | Heady, Howard H. |
|---|---|
| Additional Authors: | Broadhead, K. G. |
| Year: | 1977 |
| Document Type: | USBI |
| Issuing Agency: | United States Department of the Interior, Bureau of Mines, |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 8714r |
| Subjects: | Testing laboratories--United States |
| Precious metals--United States--Analysis | |
| Ores--United States--Analysis | |
| Link: | https://hdl.handle.net/2027/mdp.39015078464123 |