TY  - JOUR
A1  - Savage, T. E.
JO  - Illinois Geological Survey, Bulletin
SP  - 1
EP  - 124
C1  - 23: 1-124
TI  - Stratigraphy and paleontology of the Alexandrian Series in Illinois and Missouri. Part I
UR  - https://molluscabase.org/aphia.php?p=sourcedetails&id=486911
VL  - 23
PY  - 1913
Y2  - 2026-06-10
ER  -