Author: | Busch, R. A. |
---|---|
Additional Authors: | Backer, R. R., Kealy, Charles Daniel., Atkins, L. A. |
Year: | 1974 |
Document Type: | BMRA |
Issuing Agency: | U.S. Bureau of Mines, |
SUDOC: | I 28.23:7964 |
Series: | Report of investigations / Bureau of Mines ; |
Report Number: | 7964 |
Subjects: | Spoil banks |
Coal mine waste | |
Coal preparation | |
Links: | no.7961-7962,7964-7980 1974 |
https://hdl.handle.net/2027/mdp.39015078484469 |