TY  - BOOK
T1  - Grand Tower limestone (Devonian) of southern Illinois /
DA  - 1965.
CY  - Urbana :
AU  - Meents, Wayne Franklin.
AU  - Swann, D. H.
CN  - QE105
CN  - QE105
PB  - Illinois State Geological Survey,
PP  - Urbana :
PY  - 1965.
ID  - 10694
KW  - Geology, Stratigraphic
KW  - Limestone
TI  - Grand Tower limestone (Devonian) of southern Illinois /
ER  -