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Coal geology and coal, oil, and gas resources of the Erie and Frederick Quadrangles, Boulder and Weld Counties, Colorado / / by Frank D. Spencer
| Coal geology and coal, oil, and gas resources of the Erie and Frederick Quadrangles, Boulder and Weld Counties, Colorado / / by Frank D. Spencer |
| Autore | Spencer Frank Darwyn <1904-> |
| Pubbl/distr/stampa | [Reston, Va.] : , : Department of the Interior, U.S. Geological Survey, , 1986 |
| Descrizione fisica | 1 online resource (xviii, 458 pages, 7 pages of plates) : illustrations (some color), color maps |
| Collana | U.S. Geological Survey bulletin |
| Soggetto topico |
Coal - Colorado - Boulder County
Coal - Colorado - Weld County Petroleum - Colorado - Boulder County Petroleum - Colorado - Weld County Natural gas - Colorado - Boulder County Natural gas - Colorado - Weld County Coal Natural gas Petroleum |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910704020403321 |
Spencer Frank Darwyn <1904->
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| [Reston, Va.] : , : Department of the Interior, U.S. Geological Survey, , 1986 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Coal resources of Indiana / / by Frank Darwyn Spencer ; prepared in cooperation with the Indiana Department of Conservation Geological Survey
| Coal resources of Indiana / / by Frank Darwyn Spencer ; prepared in cooperation with the Indiana Department of Conservation Geological Survey |
| Autore | Spencer Frank Darwyn <1904-> |
| Pubbl/distr/stampa | Washington, D.C. : , : United States Department of the Interior, Geological Survey, , 1953 |
| Descrizione fisica | 1 online resource (iv, 42 pages) : illustrations, maps |
| Collana | Geological Survey circular |
| Soggetto topico |
Coal - Indiana
Coal |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910711450503321 |
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Spencer Frank Darwyn <1904->
|
||
| Washington, D.C. : , : United States Department of the Interior, Geological Survey, , 1953 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||