TY  - BOOK
AU  - Shaffer, Paul R.
CN  - QE105
CN  - QE105
CY  - Urbana,
DA  - 1956.
ID  - 19260
KW  - Geology, Stratigraphic.
KW  - Geology
PP  - Urbana,
PY  - 1956.
T1  - Farmdale drift in northwestern Illinois.
TI  - Farmdale drift in northwestern Illinois.
ER  -