@misc{indiciaebc17e47f4cf6, title = {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}, author = {Robert T. Kay}, year = {1995}, doi = {10.3133/ofr94516}, url = {https://pubs.usgs.gov/publication/ofr94516}, note = {Source identifier: ofr94516} }