TY  - BOOK
ED  - Indian Bureau of Mines
TI  - Mines environment and mineral conservation week 1994
U1  - 622.4 21st ed.
PY  - 1994///
CY  - Dehradun : 
PB  - Vikalp Printers , 
KW  - Souvenirs
KW  - Mines and mineral resources
KW  - Environment
KW  - Conservation
KW  - Mining
KW  - Reclamation
ER  -