TY  - BOOK
T1  - Pennsylvanian conodont assemblages from La Salle County, Northern Ill. /
DA  - 1972]
CY  - [Urbana :
AU  - Collinson, Charles.
VL  - 10
CN  - QE105
CN  - QE105
PB  - Illinois State Geological Survey,
PP  - [Urbana :
PY  - 1972]
N1  - "Prepared for annual meeting, Pander Society, in cooperation with North-Central Section, The Geological Society of America, DeKalb, Illinois, May 11-14, 1972."
ID  - 155098
KW  - Conodonts.
KW  - Paleontology
KW  - Paleontology
TI  - Pennsylvanian conodont assemblages from La Salle County, Northern Ill. /
ER  -