Forest pest leaflet 

 - Washington :    U.S. Dept. of Agriculture, Forest Service,    1971- 
 - v. :    ill. ;    23 cm. 
 - Irregular 
<br/><br/>  Latest issue consulted: No. 86 (Mar. 1973) 
<br/><br/><label>ISSN: </label>0071-7509 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Trees -- Diseases and pests -- United States.<br/> Forest insects -- United States.
<br/><br/><label>Dewey Class. No.: </label>634.969