Latitude 41°37'32", Longitude 87°50'04" NAD27
Cook County, Illinois , Hydrologic Unit 07130003
Well depth: 379 feet Hole depth: 408 feet
Land surface altitude: 695
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer