TY  - BOOK
T1  - Subsurface geology and coal resources of the Pennsylvanian system in Clark, and Edgar Counties, Illinois /
DA  - 1965.
CY  - Urbana :
AU  - Clegg, Kenneth Edward.
VL  - 380
CN  - QE105
CN  - QE105
CN  - QE105 .A45 no.380
PB  - Illinois State Geological Survey,
PP  - Urbana :
PY  - 1965.
N1  - At head of title: State of Illinois.  Department of Registration and Education.
N1  - Part of illustrative matter in pocket.
ID  - 10412
KW  - Geology, Stratigraphic
KW  - Geology
KW  - Coal
TI  - Subsurface geology and coal resources of the Pennsylvanian system in Clark, and Edgar Counties, Illinois /
ER  -