| Methane emission from U.S. coal mines in 1973,: A survey: a supplement to IC 8558, (United States. Bureau of Mines. Information circular) | Unknown Bindingby M. C Irani (Author)
| 1 Used starting at: | $8.95 |
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| | Binding: | Unknown Binding | | Publisher: | U.S. Bureau of Mines | | Page Count: | 47 Pages | | Publication Date: | 1974 |
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