TY  - BOOK
T1  - The Hornsby district of low-sulfur Herrin coal in central Illinois (Christian, Macoupin, Montgomery, and Sangamon counties) /
DA  - 1987.
CY  - Champaign, Ill. :
AU  - Nelson, W. John.
VL  - 540
CN  - QE105
CN  - QE105
PB  - Illinois State Geological Survey,
PP  - Champaign, Ill. :
PY  - 1987.
ID  - 120403
KW  - Coal
KW  - Coal
KW  - Coal
KW  - Coal
KW  - Coal
TI  - The Hornsby district of low-sulfur Herrin coal in central Illinois (Christian, Macoupin, Montgomery, and Sangamon counties) /
ER  -