Hall, Frederick C. <br/><br/>
Pacific Northwest ecoclass codes for plant associations 
Frederick C. Hall. 
 - Washington  Forest Service, Pacific Northwest Region  1989. 
 - iv, 164 p.  28 cm. 
<br/><br/><label>LCCN: </label>doc92000440  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Classification.--Northwestern States