TY  - BOOK
T1  - Geology of carbonate aggregate resources of Illinois /
DA  - 1983.
CY  - Champaign, Ill. :
AU  - Goodwin, Jonathan H.
VL  - 87
CN  - TN24.I3 I48 no.87
CN  - TN24.I3
PB  - Illinois State Geological Survey,
PP  - Champaign, Ill. :
PY  - 1983.
ID  - 68470
KW  - Carbonate rocks.
KW  - Aggregates (Building materials)
TI  - Geology of carbonate aggregate resources of Illinois /
ER  -