Year: | 1928 |
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Document Type: | USBM |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | C 22.5:405 |
Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 405 |
Subjects: | Coal mines and mining--West Virginia |
Coal--Analysis | |
Coal--West Virginia--Analysis | |
Link: | https://hdl.handle.net/2027/mdp.39015086470864 |