Robert T Kay

• Characterization of fill deposits in the Calumet region of northwestern Indiana and northeastern Illinois
• Geohydrology and ground-water quality in the vicinity of a ground-water-contamination site in Rockford, Illinois
• 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
• Geology, hydrology, and ground-water quality at the Byron Superfund site near Byron, Illinois
• Geology, hydrology, and ground-water quality of the Galena-Platteville aquifer in the vicinity of the Parson's Casket Hardware Superfund site, Belvidere, Illinois
• Geology, hydrology, and results of tracer testing in the Galena-Platteville aquifer at a waste-disposal site near Byron, Illinois
• Ground-water levels in aquifers used for residential supply, Campton Township, Kane County, Illinois