Author: | Katz, S. H. |
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Year: | 1917 |
Document Type: | USBM |
Issuing Agency: | U.S.Bureau of Mines, |
SUDOC: | I 28.7:147 |
Series: | Technical paper / United States. Bureau of Mines ; |
Report Number: | 147 |
Subjects: | Bituminous coal |
Methane | |
Link: | https://hdl.handle.net/2027/mdp.39015077565383 |