TY  - BOOK
T1  - Hydrologic data for a study of pre-Illinoian glacial till in Linn County, Iowa, water year 1990
DA  - 1991.
CY  - Iowa City, Iowa :
CY  - Denver, Colo. :
AU  - Bowman, Phillip R.
VL  - 91-459
CN  - I 19.76:
PB  - U.S. Geological Survey ;
PB  - Books and Open-File Reports,
PP  - Iowa City, Iowa :
PP  - Denver, Colo. :
PY  - 1991.
N1  - Chiefly tables.
N1  - Distributed to depository libraries in microfiche.
ID  - 200615
KW  - Drift
KW  - Glacial epoch
KW  - Groundwater flow
TI  - Hydrologic data for a study of pre-Illinoian glacial till in Linn County, Iowa, water year 1990
ER  -