01335nam 2200373Ia 450 991069909470332120090803151746.0(CKB)5470000002398934(OCoLC)428981194(EXLCZ)99547000000239893420090803d2009 ua 0engurmnu||||||||txtrdacontentcrdamediacrrdacarrierA new map of standardized terrestrial ecosystems of the conterminous United States[electronic resource] /by Roger Sayre ... [and others]Reston, Va. :U.S. Geological Survey,2009.1 online resource (iv, 17 pages) illustrations, mapsProfessional paper ;1768Title from PDF title screen (viewed Aug. 3, 2009).Includes bibliographical references (pages 14-17).Biotic communitiesUnited StatesEcosystem managementUnited StatesBiotic communitiesEcosystem managementSayre Roger1409068Geological Survey (U.S.)GPOGPOBOOK9910699094703321A new map of standardized terrestrial ecosystems of the conterminous United States3494581UNINA