Latitude 41°30'28", Longitude 90°11'28" NAD27
Henry County, Illinois , Hydrologic Unit 07090007
Well depth: 425 feet Land surface altitude: 687
feet above NAVD88.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Devonian-Silurian System" (340DVSL) local aquifer