Latitude 41°29'12", Longitude 87°43'01" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 0439 feet Hole depth: 439 feet
Land surface altitude: 711
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer