Latitude 42°01'23", Longitude 88°02'45" NAD27
Cook County, Illinois , Hydrologic Unit 07120004
Well depth: 390 feet Hole depth: 390 feet
Land surface altitude: 735
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer