Latitude 41°23'58", Longitude 89°54'27" NAD27
Henry County, Illinois , Hydrologic Unit 07090007
Well depth: 603 feet Land surface altitude: 625
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer