Latitude 41°41'32", Longitude 87°36'59" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 77 feet Hole depth: 77 feet
Land surface altitude: 591
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Niagaran Series" (355NIGR) local aquifer