Egan, Margaret R. <br/><br/>
Coal combustion in a ventilated tunnel 
Egan, Margaret R. 
 - Washington  Bureau of mines  1987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA<br/>COMBUSTION DE CARBON<br/>MINAS DE CARBON
<br/><br/><label>Universal Decimal Class. No.: </label>622.81