Latitude 42°02'45", Longitude 88°04'15" NAD27
Cook County, Illinois , Hydrologic Unit 07120004
Well depth: 0225 feet Hole depth: 225 feet
Land surface altitude: 754
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer