Latitude 41°59'30", Longitude 88°11'06" NAD27
Cook County, Illinois , Hydrologic Unit 07120006
Well depth: 200 feet Hole depth: 200 feet
Land surface altitude: 802.50
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer