01568oam 2200457I 450 991070406040332120151020130252.0(CKB)5470000002437050(OCoLC)886546693(EXLCZ)99547000000243705020140812d1983 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierSubmersed aquatic plants of the tidal Potomac River /Virginia Carter, Patricia T. Gammon and Nancy C. Bartow[Reston, Va.] :United States Department of the Interior, Geological Survey,1983.Washington :United States Government Printing Office.1 online resource (v, 58 pages) illustrations (color), maps (some color)Geological Survey bulletin ;1543Title from title screen (viewed Aug. 4, 2014).Includes bibliographical references (page 58).Aquatic plantsPotomac RiverAquatic plantsfastUnited StatesPotomac RiverfastAquatic plantsAquatic plants.Carter Virginia1388918Gammon Patricia T.Bartow Nancy C.Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910704060403321Submersed aquatic plants of the tidal Potomac River3533171UNINA