Statistics of mines in India  
/ The Director-General of Mines Safety 
 - Dhanbad:   The Director-General of Mines Safety,   1974 
 - viii,184p. 
<br/><br/> Vol. 2 (Non-coal) 1974; viii,184p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>622(540);31  / L7;2