Indian coal atatistics 1940    Thirty- fourth issue    

 - Calcutta  Published by order of the Governer-General in council     1942 
 - 94p  cm. 
<br/><br/> No . 4092 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9(F551).2.N4r, H2