TY  - BOOK
AU  - Lowenstam, Heinz Adolf,
CN  - QE105
CN  - QE105
CY  - Urbana :
DA  - c1948.
ID  - 8677
KW  - Reefs.
KW  - Petroleum
PB  - Illinois State Geological Survey,
PP  - Urbana :
PY  - c1948.
T1  - Marine pool, Madison County, Illinois, Silurian-reef producer /
TI  - Marine pool, Madison County, Illinois, Silurian-reef producer /
VL  - no. 131.
ER  -