Latitude 41°31'56", Longitude 90°12'04" NAD27
Henry County, Illinois , Hydrologic Unit 07090005
Well depth: 358 feet Land surface altitude: 700
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer