India, Ministry of labour and rehabilitation, Directorate of general of mines safety Dhanbad India <br/><br/>
Statistics of mines in India  Non - cool (Volume 2) / India 

 - Dhanbad  Government of India  1970 
 - 202p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines statistics - India<br/>Production economics