TY  - BOOK
T1  - Age of the Springville shale (Mississippian) of Southern Illinois
DA  - 1958.
CY  - Urbana,
AU  - Collinson, Charles William.
AU  - Scott, Alan Johnson,
VL  - 254
CN  - QE105
CN  - QE105
PP  - Urbana,
PY  - 1958.
ID  - 62110
KW  - Shale
KW  - Geology, Stratigraphic
KW  - Geology
KW  - Paleontology
TI  - Age of the Springville shale (Mississippian) of Southern Illinois
ER  -