Author: | Diamond, W. P. |
---|---|
Year: | 1982 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:8898 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 8898 |
Subjects: | Coal mines and mining--United States--Safety measures |
Methane | |
Boring | |
Coal--Geology--United States | |
Link: | https://hdl.handle.net/2027/mdp.39015078460576 |