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Exploratory drilling in the Prairie du Chien group of the Wisconsin zinc-lead district by the U.S. Geological Survey in 1949-1950 / / by Allen V. Heyl, Jr., Erwin J. Lyons, and Allen F. Agnew. ; prepared in cooperation with the Wisconsin Geological and Natural History Survey
| Exploratory drilling in the Prairie du Chien group of the Wisconsin zinc-lead district by the U.S. Geological Survey in 1949-1950 / / by Allen V. Heyl, Jr., Erwin J. Lyons, and Allen F. Agnew. ; prepared in cooperation with the Wisconsin Geological and Natural History Survey |
| Autore | Heyl Allen V (Allen Van), <1918-2008, > |
| Pubbl/distr/stampa | Washington, D.C. : , : United States Department of the Interior, Geological Survey, , 1951 |
| Descrizione fisica | 1 online resource (i, 35 pages) : illustrations, maps |
| Collana | Geological Survey circular |
| Soggetto topico |
Borings - Wisconsin
Lead ores - Wisconsin Zinc ores - Wisconsin Borings Lead ores Zinc ores |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910711649403321 |
Heyl Allen V (Allen Van), <1918-2008, >
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| Washington, D.C. : , : United States Department of the Interior, Geological Survey, , 1951 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Exploratory drilling program of the U. S. Geological Survey for evidences of zinc-lead mineralization in Iowa and Wisconsin, 1950-51 / / by Allen F. Agnew, Arthur E. Flint and John W. Allingham
| Exploratory drilling program of the U. S. Geological Survey for evidences of zinc-lead mineralization in Iowa and Wisconsin, 1950-51 / / by Allen F. Agnew, Arthur E. Flint and John W. Allingham |
| Autore | Agnew Allen F. <1918-2012, > |
| Pubbl/distr/stampa | Washington, D.C. : , : United States Department of the Interior, Geological Survey, , 1953 |
| Descrizione fisica | 1 online resource (37 pages) : illustrations, maps |
| Collana | Geological Survey circular |
| Soggetto topico |
Lead ores - Iowa
Lead ores - Wisconsin Zinc ores - Iowa Zinc ores - Wisconsin Lead mines and mining Zinc mines and mining |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910711453303321 |
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Agnew Allen F. <1918-2012, >
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| Washington, D.C. : , : United States Department of the Interior, Geological Survey, , 1953 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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