Latitude 41°42'51.7", Longitude 87°36'21.3" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 78 feet Hole depth: 78 feet
Land surface altitude: 597
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Niagaran Series" (355NIGR) local aquifer