TY  - RPRT
TI  - Geohydrology, Water Levels and Directions of Flow, and Occurrence of Light-Nonaqueous-Phase Liquids on Ground Water in Northwestern Indiana and the Lake Calumet Area of Northeastern Illinois
AU  - Robert T. Kay
PY  - 1995
DO  - 10.3133/ofr94516
UR  - https://pubs.usgs.gov/publication/ofr94516
ID  - ofr94516
ER  -