Latitude 41°29'36", Longitude 87°40'14" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 300 feet Hole depth: 300 feet
Land surface altitude: 705
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer