Pomroy, William H. <br/><br/>
Automatic fire protection systems for surface mining equipment  
Pomroy, William H. 
 - Washington  Bureau of mines  1980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA<br/>INCENDIO DE MINAS<br/>RIESGOS
<br/><br/><label>Universal Decimal Class. No.: </label>622.826