TY  - BOOK
T1  - The effect of buried Niagaran reefs on overlying strata in southwestern Illinois
DA  - 1973.
CY  - Urbana,
AU  - Stevenson, D. L.
VL  - 482
CN  - QE105
CN  - QE105
CN  - QE471
PB  - Illinois State Geological Survey,
PP  - Urbana,
PY  - 1973.
N1  - Cover title.
ID  - 3942
KW  - Sedimentary rocks.
KW  - Petrogenesis.
KW  - Geology, Stratigraphic
KW  - Geology
KW  - Reefs
TI  - The effect of buried Niagaran reefs on overlying strata in southwestern Illinois
ER  -