TY  - BOOK
CN  - TD195.C58
CN  - TD195.C58
CY  - [Washington, D.C. :
DA  - 1975].
ID  - 101866
KW  - Strip mining
N1  - Papers presented before the Third Symposium on surface mining and Reclamation.
PB  - National Coal Association,
PP  - [Washington, D.C. :
PY  - 1975].
T1  - Third symposium on surface mining and reclamation :[volumes I and II.]
TI  - Third symposium on surface mining and reclamation :[volumes I and II.]
ER  -