| Author: | Foss, Maureen M. | 
|---|---|
| Additional Authors: | Leckenby, Richard J. | 
| Year: | 1987 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:9062 | 
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; | 
| Report Number: | 9062 | 
| Subjects: | Coal mines and mining--Safety measures | 
| Ground penetrating radar | |
| Link: | https://hdl.handle.net/2027/mdp.39015078469429 |