TY  - JOUR
T1  - Office of Surface Mining annual report.
DA  - 1990-
CY  - Washington, D.C. :
CN  - I 71.1:
PB  - The Office,
PP  - Washington, D.C. :
PY  - 1990-
ID  - 154922
KW  - Strip mining
KW  - Reclamation of land
KW  - Mining law
TI  - Office of Surface Mining annual report.
ER  -