Author: | Elder, C. H. |
---|---|
Additional Authors: | Peran, Paul W.,, Keck, David A., |
Year: | 1974 |
Document Type: | BMRA |
Issuing Agency: | U.S. Bureau of Mines, |
SUDOC: | I 28.23:7869 |
Series: | Report of investigations / United States. Bureau of Mines ; |
Report Number: | 7869 |
Subjects: | Coal mines and mining--Virginia |
Radar in surveying | |
Link: | https://hdl.handle.net/2027/mdp.39015078539403 |