Latitude 42°09'06", Longitude 88°08'13" NAD27
Cook County, Illinois , Hydrologic Unit 07120006
Well depth: 305 feet Hole depth: 305 feet
Land surface altitude: 830
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer