Coal directory of India 

 - Calcutta  The Authro India          1969 
 - 193p.  cm. 
 - India, Petroleum and Chemicals And Mines And Metal (M/O-), Coal Board Publication .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal Industry
<br/><br/><label>Dewey Class. No.: </label>X9(F551).2.N69g, K9