Indian coal statistics    Thirty eight issue    

 - Delhi  The manager of publicatoins         1948 
 - 98p  cm. 
<br/><br/> DGCIS .23.44/255 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9(F551).2.N44r, H8