| Methane emissions from four working places in the Beckley mine, Raleigh County, W. Va (Report of investigations - Bureau of Mines) | Unknown Bindingby P. W Jeran (Author)
| 1 Used starting at: | $8.95 |
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| | Binding: | Unknown Binding | | Publisher: | Dept. of the Interior, Bureau of Mines | | Page Count: | 16 Pages | | Publication Date: | 1977 |
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