TY  - BOOK
T1  - Wisconsinan molluscan faunas of the Illinois Valley region /
DA  - 1960.
CY  - Urbana:
AU  - Leonard, A. Byron
CN  - QE105
CN  - QE105
PB  - Illinois State Geological Survey,
PP  - Urbana:
PY  - 1960.
ID  - 30887
KW  - Mollusks, Fossil
KW  - Paleontology, Stratigraphic
TI  - Wisconsinan molluscan faunas of the Illinois Valley region /
ER  -