Hall, Ralph C. <br/><br/>
Control of the locust borer  / 
by Ralph C. Hall 
 - Washington, D.C.  :   Forest service and Ohio State University 
 - 19 p. 
 - Circular; 626 .
<br/><br/> Encuadernado con: Orchard insects of the pacific northwest and their control / by E.J., Newcomer 
<br/><br/><label>LCCN: </label>200616 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chapulines -- USA <br/>Control de plagas<br/>Ortopteros 
<br/><br/><label>Dewey Class. No.: </label>PA-C 634 N4 1933