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[null,"1.","Record Nr.",null,"UNINA9910706246203321"]
[null,null,"Autore",null,"Hack John T (John Tilton), <1913-1991, >"]
[null,null,"Titolo",null,"Studies of longitudinal stream profiles in Virginia and Maryland / / by John T. Hack"]
[null,null,"Pubbl/distr/stampa",null,"Washington : , : United States Department of the Interior, Geological Survey, , 1957"]
[null,null,"Descrizione fisica",null,"1 online resource (59 unnumbered pages) : illustrations, maps + + 1 plate"]
[null,null,"Collana",null,"Geological Survey professional paper 294-B"]
[{"$nulls":4},"Shorter contributions to general geology"]
[null,null,"Soggetti",null,"Valleys - Virginia"]
[{"$nulls":4},"Valleys - Maryland"]
[{"$nulls":4},"Rivers - Virginia"]
[{"$nulls":4},"Rivers - Maryland"]
[{"$nulls":4},"Rivers"]
[{"$nulls":4},"Valleys"]
[{"$nulls":4},"Maryland"]
[{"$nulls":4},"Virginia"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (page 94) and index."]
[null,null,null,"Sommario/riassunto","\"Preliminary results of a study of the form of small river valleys in relation to geology. Some factors controlling the longitudinal profiles of streams are described in quantitative terms.\""]
[null,"2.","Record Nr.",null,"UNINA9910710281403321"]
[null,null,"Autore",null,"Powell R. G"]
[null,null,"Titolo",null,"Collaborative reference program for paper : report no. 63S / / R. G. Powell; J. Horlick"]
[null,null,"Pubbl/distr/stampa",null,"Gaithersburg, MD : , : U.S. Dept. of Commerce, National Institute of Standards and Technology, , 1980"]
[null,null,"Descrizione fisica",null,"1 online resource"]
[null,null,"Collana",null,"NBSIR ; ; 80-1834"]
[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","1980."]
[{"$nulls":4},"Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes."]
[{"$nulls":4},"Title from PDF title page."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]