India, Ministry of labour, Directorate general of mines safety Dhanbad India <br/><br/>
Statistics of mines in India 1974  Vol 1-coal / India 

 - Dhanbad  Government of India  1974 
 - V1, 220p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines - statistics - India<br/>Production - minerals