TY  - BOOK
T1  - Surface coal mining reclamation equipment and techniques :proceedings /
DA  - [1980]
CY  - Washington :
CN  - TD195.C58 B8
CN  - TD195.C58
PB  - U.S. Dept. of the Interior, Bureau of Mines,
PP  - Washington :
PY  - [1980]
ID  - 32384
KW  - Coal mines and mining
KW  - Strip mining
KW  - Reclamation of land
TI  - Surface coal mining reclamation equipment and techniques :proceedings /
ER  -