TY  - RPRT
TI  - Hydrologic data for a study of pre-Illinoian glacial till in Linn County, Iowa, water year 1991
AU  - P.R. Bowman
PY  - 1992
DO  - 10.3133/ofr92500
UR  - https://pubs.usgs.gov/publication/ofr92500
ID  - ofr92500
ER  -