TY  - BOOK
T1  - Geology and oil possibilities of extreme southern Illinois :Union, Johnson, Pope, Hardin, Alexander, Pulaski and Massac Counties /
DA  - c1940.
CY  - Urbana :
AU  - Weller, J. Marvin
VL  - no. 71.
CN  - QE105
CN  - QE105
PB  - Illinois State Geological Survey,
PP  - Urbana :
PY  - c1940.
ID  - 8682
KW  - Geology
KW  - Petroleum
TI  - Geology and oil possibilities of extreme southern Illinois :Union, Johnson, Pope, Hardin, Alexander, Pulaski and Massac Counties /
ER  -