Latitude 41°48'31.2", Longitude 87°46'46.5" NAD83
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 276 feet Hole depth: 276 feet
Land surface altitude: 593.0
feet above NAVD88.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer