Latitude 41°48'44.2", Longitude 87°46'06.2" NAD83
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 290 feet Hole depth: 290 feet
Land surface altitude: 598.7
feet above NAVD88.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer