Proceedings of conference of men engaged in grain dust explosion and fire prevention campaign,  conducted by United States Grain Corporation in cooperation with Bureau of Chemistry, United States Department of Agriculture ... April 22-24, 1920. 

 - New York,  1920. 
 - ii, 159 p.  illus.  23 cm. 
<br/><br/> Cover title. 
<br/><br/><label>LCCN: </label>agr20001757  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dust explosions.<br/>Grain elevators--Fires and fire prevention.
<br/><br/><label>LC Class. No.: </label>TS2149  / .U55