TY  - BOOK
T1  - Oil and gas development in Illinois in 1949,
DA  - 1950.
CY  - Urbana,
AU  - Bell, A. H.
AU  - Kline, Virginia,
VL  - 62
CN  - QE105
CN  - QE105
PP  - Urbana,
PY  - 1950.
N1  - Cover title.
N1  - "Reprinted from The Journal of petroleum technology, A.I.M.E., 1950."
ID  - 110916
KW  - Petroleum
KW  - Natural gas
TI  - Oil and gas development in Illinois in 1949,
ER  -