02199oem 2200553Ia 450 991069926100332120230902161812.0(CKB)5470000002401295(OCoLC)794500228(OCoLC)756630716(EXLCZ)99547000000240129520120530d1998 ca engb|||||||||||||||||||||durcn|||||||||crdrdacontentcrdamediacrrdacarrierEcoregions of western Washington and Oregon[electronic resource] /USGS ... [and others] ; principal authors, David E. Pater ... [and others]Reston, Va. :U.S. Dept., of the Interior, U.S. Geological Survey,1998.1 online resource (1 map) colorTitle from title screen (viewed on May 30, 2012).Verso includes: summary table: characteristics of ecoregions of western Washington and Oregon; and bibliographical references.This project was partially supported by funds from the USEPA - Office of Research and Development - Regional Applied Research Effort (RARE) program. [It] is associated with an interagency effort to develop a common framework of ecological regions.Includes text, bibliographical references, 31 col. photographs, and location map of Level III ecoregions.EcologyWashington (State)MapsEcologyOregonMapsBiotic communitiesWashington (State)MapsBiotic communitiesOregonMapsMaps.lcgftEcologyEcologyBiotic communitiesBiotic communitiesPater David E1402029Geological Survey (U.S.)United States.Environmental Protection Agency.Office of Research and Development.GPOGPOPULOCLCAOCLCFOCLCAGPOBOOK9910699261003321Ecoregions of western Washington and Oregon3471643UNINA