| Author: | Koch, George S. |
|---|---|
| Additional Authors: | Link, Richard F., |
| Year: | 1967 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:6919 |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 6919 |
| Subject: | Ores--Mexico--Sampling and estimation |
| Link: | https://hdl.handle.net/2027/mdp.39015078478362 |