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[null,"1.","Record Nr.",null,"UNINA9910704256503321"]
[null,null,"Autore",null,"Engel A. E. J (Albert Edward John), <1916->"]
[null,null,"Titolo",null,"Quartz crystal deposits of western Arkansas : geology of an important domestic source of quartz for optical and oscillator use / / by A.E.J. Engel"]
[null,null,"Pubbl/distr/stampa",null,"[Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1952"]
[{"$nulls":4},"Washington : , : United States Government Printing Office"]
[null,null,"Descrizione fisica",null,"1 online resource (v, 173-260 pages, 25-45 pages of plates) : illustrations (some color)"]
[null,null,"Collana",null,"Geological Survey bulletin ; ; 973-E"]
[{"$nulls":4},"Contributions to economic geology, 1951"]
[null,null,"Soggetti",null,"Quartz - Arkansas"]
[{"$nulls":4},"Geology - Arkansas"]
[{"$nulls":4},"Mines and mineral resources - Arkansas"]
[{"$nulls":4},"Geology"]
[{"$nulls":4},"Mines and mineral resources"]
[{"$nulls":4},"Quartz"]
[{"$nulls":4},"Arkansas"]
[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 July 21, 2014)."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (pages 255-258) and index."]