An assessment of ecosystem components in the interior columbia Basin and portions of the Klamath and Great Basins :  Volume I /  
Thomas M. Quigley, Sylvia J. Arbelbide editors. 
 - Oregon :   Forest Service,   1997. 
 - 2.111 p.  mapa., foto col. 
<br/><br/> Contiene 4 vol. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECOSISTEMA