Project completion report on hydraulic mining at gopalichak colliery  
/ Central Mine Planning & Design Institute Ltd.  
 - Dhanbad:   Central Mine Planning & Design Institute Ltd.,   1993 
 - 86p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydraulic mining 
<br/><br/><label>Universal Decimal Class. No.: </label>T 622.271.6  / N3