TY  - BOOK
AU  - Lowenstam, Heinz Adolf,
CN  - Q11 .I352 v.4
CN  - Q11
CY  - Springfield,
DA  - 1948.
ID  - 23200
KW  - Geology, Stratigraphic
KW  - Paleontology
KW  - Paleontology
PP  - Springfield,
PY  - 1948.
T1  - Biostratigraphic studies of the Niagaran inter-reef formations in northeastern Illinois.
TI  - Biostratigraphic studies of the Niagaran inter-reef formations in northeastern Illinois.
ER  -