TY  - BOOK
T1  - Petroleum systems of the United States /
DA  - 1988.
CY  - Washington :
CY  - Denver, CO :
AU  - Magoon, Leslie B.
VL  - 1870
CN  - QE75
CN  - QE75
PB  - U.S. G.P.O. ;
PB  - For sale by the Books and Open-File Reports Section, U.S. Geological Survey,
PP  - Washington :
PP  - Denver, CO :
PY  - 1988.
N1  - Prepared by members of the U.S. Geological Survey.
ID  - 229643
KW  - Petroleum
KW  - Petroleum reserves
TI  - Petroleum systems of the United States /
ER  -