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[null,"1.","Record Nr.",null,"UNINA9910706272503321"]
[null,null,"Autore",null,"Heyl Allen V (Allen Van), <1918-2008, >"]
[null,null,"Titolo",null,"The geology of the upper Mississippi Valley zinc-lead district / / by Allen V. Heyl, Jr. [and four others]; with special sections by Arthur E. Flint"]
[null,null,"Pubbl/distr/stampa",null,"Washington : , : United States Department of the Interior, Geological Survey, , 1959"]
[null,null,"Descrizione fisica",null,"1 online resource (x, 310 pages) : illustrations, maps + + 24 plates"]
[null,null,"Collana",null,"Geological Survey professional paper ; ; 309"]
[null,null,"Soggetti",null,"Geology - Mississippi River Valley"]
[{"$nulls":4},"Zinc mines and mining - Mississippi River Valley"]
[{"$nulls":4},"Geology"]
[{"$nulls":4},"Zinc mines and mining"]
[{"$nulls":4},"Mississippi River Valley"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Title from title screen (viewed September 26, 2014)."]
[{"$nulls":4},"\"Prepared in cooperation with the Wisconsin Geological and Natural History Survey, the Iowa Geological Survey, and the Illinois State Geological Survey.\""]
[{"$nulls":4},"Pages 300-305 missing."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (pages 296-3??) and index."]