THOMAS, L.J. <br/><br/>
INTRODUCTION TO MINING: EXPLORATION, FEASIBILITY, EXTRACTION AND ROCK MECHANICS 

 - SYDNEY  Hick Smith & Sons, Sydney   1973 
 - PHOTOSTAT 
<br/><br/><label>ISBN: </label>0 454 01890 8 
<br/><br/><label>Dewey Class. No.: </label>622.1  / THO/IN