Trees 

 - Washington :  Government Printing Office,  1949 
 - 944 p 
<br/><br/> 1992-1169 
<br/><br/><label>LCCN: </label>66120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Árboles--E.U.A.<br/>Bosques--E.U.A.
<br/><br/><label>Dewey Class. No.: </label>630.5  / Y4 1949