Latitude 41°29'04", Longitude 90°22'10" NAD27
Henry County, Illinois , Hydrologic Unit 07080104
Well depth: 110 feet Land surface altitude: 580
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer