Latitude 41°40'09", Longitude 87°36'42" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: not determined. Hole depth: 85 feet
Land surface altitude: 591.62
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Racine Formation" (355RCIN) local aquifer