Struble, George R.,  1904- <br/><br/>
The mountain pine beetle, 
by George R. Struble and Philip C. Johnson. 
 - Rev. 
 - [Washington,  U.S. Govt. Print. Off.]  1967. 
 - 4 p.  illus.  24 cm. 
<br/><br/> Caption title. 
<br/><br/>Bibliography: p. 4. 
<br/><br/><label>LCCN: </label>agr68000054  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mountain pine beetle.<br/>Dendroctonus ponderosae.
<br/><br/><label>National Agricultural Library Call No.: </label>A423.9 F764 no. 2 1967