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[null,"1.","Record Nr.",null,"UNINA9910703577603321"]
[null,null,"Autore",null,"Ruhl H. A (Henry A.)"]
[null,null,"Titolo",null,"Distribution and abundance of submersed aquatic vegetation in the tidal Potomac River and upper Potomac Estuary, Maryland, Virginia, and the District of Columbia, 1993-1998 / / by Henry A. Ruhl [and three others]"]
[null,null,"Pubbl/distr/stampa",null,"Reston, Virginia : , : U.S. Geological Survey, , 1999"]
[null,null,"Descrizione fisica",null,"1 online resource (iv, 39 pages) : illustrations"]
[null,null,"Collana",null,"U.S. Geological Survey open-file report ; ; 99-233"]
[null,null,"Soggetti",null,"Aquatic plants - Potomac River"]
[{"$nulls":4},"Water quality - Potomac River"]
[{"$nulls":4},"Potomac River"]
[{"$nulls":4},"Potomac River Estuary"]
[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 on Jan. 26, 2015)."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (pages 4-5)."]