Latitude 41°40'36.76", Longitude 88°00'29.03" NAD83
Cook County, Illinois , Hydrologic Unit 07120004
Well depth: 60.2 feet Hole depth: 60.2 feet
Land surface altitude: 587.41
feet above NAVD88.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer