TY  - BOOK
T1  - Faults and their effect on coal mining in Illinois /
DA  - 1981.
CY  - Champaign, Ill. :
AU  - Nelson, W. John.
VL  - 523
CN  - QE105
CN  - QE105
PB  - Illinois State Geological Survey,
PP  - Champaign, Ill. :
PY  - 1981.
ID  - 40552
KW  - Coal mines and mining
KW  - Faults (Geology)
TI  - Faults and their effect on coal mining in Illinois /
ER  -