TY  - BOOK
T1  - Benefits and costs of geologic mapping programs in Illinois :case study of Boone and Winnebago Counties and its statewide applicability /
DA  - 1991.
CY  - Champaign, Ill. (Natural Resources Bldg., 615, E. Peabody Dr., Champaign 61820) :
AU  - Bhagwat, Subhash.
AU  - Berg, Richard C.
CN  - QE105
CN  - QE105
PB  - Illinois State Geological Survey,
PP  - Champaign, Ill. (Natural Resources Bldg., 615, E. Peabody Dr., Champaign 61820) :
PY  - 1991.
ID  - 155014
KW  - Geological mapping
KW  - Geological mapping
TI  - Benefits and costs of geologic mapping programs in Illinois :case study of Boone and Winnebago Counties and its statewide applicability /
ER  -