HUSTRULID W.A. <br/><br/>
UNDERGROUND MININGT METHODS HANDBOOK 

 - 0 
 - U.S.A.  SOCIETY OF MINING ENGINEE  1982 
 - 226 pag  29 cm 
 - 0  0 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS APLICADAS
<br/><br/><label>Dewey Class. No.: </label>622.31  / H97