Latitude 41°29'19", Longitude 87°41'06" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 361 feet Hole depth: 361 feet
Land surface altitude: 712
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer