Latitude 42°09'08", Longitude 88°08'10" NAD27
Cook County, Illinois , Hydrologic Unit 07120006
Well depth: 210 feet Hole depth: 210 feet
Land surface altitude: 840
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer