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Fluorine in a closed drainage basin, Saguache and Alamosa Counties, Colorado / / by Ralph E. Van Alstine and Frederick O. Simon
| Fluorine in a closed drainage basin, Saguache and Alamosa Counties, Colorado / / by Ralph E. Van Alstine and Frederick O. Simon |
| Autore | Van Alstine Ralph Erskine <1914-> |
| Pubbl/distr/stampa | [Reston, Va.] : , : United States Department of the Interior, Geological Survey, , 1982 |
| Descrizione fisica | 1 online resource (iii, 7 pages, 1 page of plates) : 2 maps |
| Collana | Geological Survey Bulletin |
| Soggetto topico |
Fluorine
Geochemistry - Colorado - Alamosa County Geochemistry - Colorado - Saguache County Geochemistry |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910704077303321 |
Van Alstine Ralph Erskine <1914->
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| [Reston, Va.] : , : United States Department of the Interior, Geological Survey, , 1982 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Fluorspar resources of Africa : geologic setting, production, reserves, outlook for future supply, and relation of fluorspar deposits to rift structures and carbonatites / / by Ralph E. Van Alstine and Paul G. Schruben
| Fluorspar resources of Africa : geologic setting, production, reserves, outlook for future supply, and relation of fluorspar deposits to rift structures and carbonatites / / by Ralph E. Van Alstine and Paul G. Schruben |
| Autore | Van Alstine Ralph Erskine <1914-> |
| Pubbl/distr/stampa | [Reston, Va.] : , : United States Department of the Interior, Geological Survey, , 1980 |
| Descrizione fisica | 1 online resource (iv, 25 pages, 1 page of plates) : illustrations, map |
| Collana | Geological Survey bulletin |
| Soggetto topico |
Fluorspar - Africa
Fluorspar |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Fluorspar resources of Africa |
| Record Nr. | UNINA-9910707831503321 |
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Van Alstine Ralph Erskine <1914->
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| [Reston, Va.] : , : United States Department of the Interior, Geological Survey, , 1980 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Geology and mineral deposits of the Poncha Springs NE quadrangle, Chaffee County, Colorado / / by Ralph E. Van Alstine; with a section on Fluorspar mines and prospects, by Ralph E. Van Alstine and Doak C. Cox
| Geology and mineral deposits of the Poncha Springs NE quadrangle, Chaffee County, Colorado / / by Ralph E. Van Alstine; with a section on Fluorspar mines and prospects, by Ralph E. Van Alstine and Doak C. Cox |
| Autore | Van Alstine Ralph Erskine <1914-> |
| Pubbl/distr/stampa | Washington : , : United States Department of the Interior, Geological Survey, , 1969 |
| Descrizione fisica | 1 online resource (iv, 52 pages) : illustrations, maps + + 6 plates |
| Collana | Geological Survey professional paper |
| Soggetto topico |
Geology - Colorado - Chaffee County
Mines and mineral resources - Colorado - Chaffee County Fluorspar - Colorado Geology Mines and mineral resources |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910706795703321 |
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Van Alstine Ralph Erskine <1914->
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| Washington : , : United States Department of the Interior, Geological Survey, , 1969 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Geology and mineral deposits of the Poncha Springs SE quadrangle, Chaffee County, Colorado / / by Ralph E. Van Alstine; work done in cooperation with the Colorado State Mining Industrial Development Board
| Geology and mineral deposits of the Poncha Springs SE quadrangle, Chaffee County, Colorado / / by Ralph E. Van Alstine; work done in cooperation with the Colorado State Mining Industrial Development Board |
| Autore | Van Alstine Ralph Erskine <1914-> |
| Pubbl/distr/stampa | Washington : , : United States Department of the Interior, Geological Survey, , 1974 |
| Descrizione fisica | 1 online resource (iii, 19 pages) : illustrations, maps + + 1 plate |
| Collana | Geological Survey professional paper |
| Soggetto topico |
Geology - Colorado - Chaffee County
Mines and mineral resources - Colorado - Chaffee County Geology Mines and mineral resources |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910706748403321 |
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Van Alstine Ralph Erskine <1914->
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||
| Washington : , : United States Department of the Interior, Geological Survey, , 1974 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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