TY  - BOOK
T1  - Seismic reflection and seismic refraction surveying in northeastern Illinois /
DA  - 1990.
CY  - Champaign, Ill. (615 E. Peabody Dr., Champaign 61820) :
AU  - Heigold, Paul C.
VL  - 136
CN  - QE105
CN  - QE105
CN  - QE654
PB  - Illinois State Geological Survey,
PP  - Champaign, Ill. (615 E. Peabody Dr., Champaign 61820) :
PY  - 1990.
ID  - 155094
KW  - Geology, Stratigraphic
KW  - Dolomite
KW  - Seismic reflection method.
KW  - Seismic refraction method.
TI  - Seismic reflection and seismic refraction surveying in northeastern Illinois /
ER  -