TY  - BOOK
T1  - Catalog of Devonian and deeper tests in central Illinois /
DA  - 1980.
CY  - Urbana :
AU  - Stevenson, D. L.
VL  - no. 117
CN  - TN872.I3
CN  - TN872.I3
PB  - Illinois State Geological Survey,
PP  - Urbana :
PY  - 1980.
ID  - 25266
KW  - Borings
KW  - Geology, Stratigraphic
TI  - Catalog of Devonian and deeper tests in central Illinois /
ER  -