TY  - BOOK
ED  - India.
TI  - Report of the regional coal survey station Ranchi
U1  - 622.33(54) 
PY  - 1963///-1964
CY  - New Delhi
PB  - Central fuel research Institute
N1  - Pt.2 1964 Block ii - Ramgarh coald field. - pt.2 1964 Block iv - Ramgarh coald field
ER  -