TY  - BOOK
AU  - Swann, David Henry,
AU  - Atherton, Elwood,
CN  - QE105
CN  - QE105
CY  - Urbana, Ill. : Illinois State Geological Survey,
DA  - 1948.
ID  - 8662
KW  - Geology, Stratigraphic.
KW  - Petroleum industry and trade
N1  - Reprinted from the Journal of Geology Vol. 56, no. 4, Pages 269----87, 1948.
PP  - Urbana, Ill. : Illinois State Geological Survey,
PY  - 1948.
T1  - Subsurface correlations of lower Chester strata of the eastern interior basin /
TI  - Subsurface correlations of lower Chester strata of the eastern interior basin /
VL  - no.135.
ER  -