| Author: | Anderson, Donna L. |
|---|---|
| Year: | 1989 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I28.27:9222. |
| Series: | Information circular ; |
| Report Number: | 9222 |
| Subjects: | Lasers in mining |
| Mining machinery--Automatic control--Data processing | |
| Link: | https://hdl.handle.net/2027/mdp.39015078457564 |