Latitude 41°42'17", Longitude 87°33'50" NAD27
Cook County, Illinois , Hydrologic Unit 04040001
Well depth: 84 feet Hole depth: 84 feet
Land surface altitude: 585
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Niagaran Series" (355NIGR) local aquifer