Stratigraphy and economic geology of the Great Falls-Lewistown coal field, central Montana /
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| Format: | Book |
| Language: | English |
| Series: | Bulletin (Montana Bureau of Mines and Geology) ;
56. |
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| Item Description: | Prepared in cooperation with Montana University System Coal Resources Research Council. |
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| Physical Description: | iv, 20 pages : illustrations, maps (1 folded in pocket) ; 28 cm. |
| Bibliography: | Bibliography: page 17. |