The coal mines regulations, 1957, as modified upto the 31st March 1967. 

 - Delhi,  Manager of Publications,  1967 [cover 1968] 
 - 149 p.  illus., forms.  21 cm. 
<br/><br/><label>LCCN: </label>sa 68004942  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mines and mining--Safety regulations--India.
<br/><br/><label>LC Class. No.: </label>KNS1393.M56  / A3 1967a 
<br/><br/><label>Dewey Class. No.: </label>340