TY  - BOOK
AU  - Howard, Richard Henry.
CN  - TN872.I3
CN  - TN872.I3
CY  - Urbana,
DA  - 1967.
ID  - 4677
KW  - Petroleum
KW  - Natural gas
N1  - Cover title.
PP  - Urbana,
PY  - 1967.
T1  - Oil and gas pay maps of Illinois.
TI  - Oil and gas pay maps of Illinois.
ER  -