Thomas, L. J. <br/><br/>
An introduction to mining :  exploration feasibility extraction rock mechanics / 
Thomas, L. J. 
 - Sydney  Hicks Smith & sons  1973 
<br/><br/><label>ISBN: </label>0454017308 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining
<br/><br/><label>Dewey Class. No.: </label>622  / THO