Statistics of mines. 

 - Delhi  Manager Of Publication          1998 
 -  Vol.2 .
<br/><br/>  
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mining<br/>Industrial Economics
<br/><br/><label>Dewey Class. No.: </label>X9(HZ).2s, N5/GD