| Methane gas content of the Mary Lee group of coal beds, Jefferson, Tuscaloosa, and Walker Counties, Ala (Report of investigations - Bureau of Mines) | Unknown Bindingby W. P Diamond (Author)
| 1 Used starting at: | $9.95 |
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| | Binding: | Unknown Binding | | Publisher: | U.S. Dept. of the Interior, Bureau of Mines | | Page Count: | 9 Pages | | Publication Date: | 1976 |
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