01610nem 2200469Ia 450 991070025230332120110406124012.0(CKB)5470000002408454(OCoLC)711688234(EXLCZ)99547000000240845420110406d2009 da engb|||||||||||||||||||||durcn|||||||||crdrdacontentcrdamediacrrdacarrierTerrestrial ecosystems, land surface forms of the conterminous United States[electronic resource] /Jill J. Cress ... [and others] ; USGS, NatureServeVersion 1.0.[Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,2009.1 online resource (1 map) colorScientific investigations map ;3085Relief shown by gradient tints.Title from PDF title screen (viewed on Apr. 6, 2011).Includes text.Includes bibliographical references.EcologyUnited StatesMapsVegetation and climateUnited StatesMapsMaps.lcgftEcologyVegetation and climateCress Jill J(Jill Janene)1411011Geological Survey (U.S.)NatureServe (Program)GPOGPOBOOK9910700252303321Terrestrial ecosystems, land surface forms of the conterminous United States3543992UNINA