TY  - JOUR
T1  - Petroleum industry in Illinois.
CY  - Urbana.
CN  - TN872.I3
CN  - TN872.I3
PP  - Urbana.
N1  - Vols. for 1954-59 issued as the survey's Bulletin.
ID  - 105610
KW  - Petroleum
KW  - Natural gas
KW  - Oil field flooding.
TI  - Petroleum industry in Illinois.
ER  -