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 |