Latitude 42°05'38", Longitude 88°02'39" NAD27
Cook County, Illinois , Hydrologic Unit 07120004
Well depth: 220 feet Hole depth: 220 feet
Land surface altitude: 742
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer