Forest service global change research program 
/by Forest Service 
 - Washington, D.C. :  Forest Service,  1992 
 - 34 p. :  mapa ; diagrama 
<br/><br/><label>LCCN: </label>82724 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bosques--Investigación--E.U.A.