Author: | Gray, T. E. |
---|---|
Additional Authors: | Boley, C. C. |
Year: | 1958 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:5405 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 5405 |
Subjects: | Coal preparation |
Coal--Virginia | |
Links: | https://hdl.handle.net/2027/mdp.39015078541813 |
no.5401-5410 1958 |