Latitude 41°39'09.57", Longitude 87°33'58.86" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 79 feet Hole depth: 79 feet
Land surface altitude: 586.25
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Niagaran Series" (355NIGR) local aquifer