Andros, Stephen O. <br/><br/>
Coal mining in Illinois 

 - Urbana, ILL.  University of Illinois  1915 
 - 250 p.  ilus. 
 - Illinois Coal mining Investigations, Bulletin  n.13 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>CARBON<br/>MINERIA DEL CARBON
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESTADOS UNIDOS<br/>ILLINOIS
<br/><br/><label>Universal Decimal Class. No.: </label>A/622.3309773/A57