Latitude 41°11'26", Longitude 90°23'01" NAD27
Henry County, Illinois , Hydrologic Unit 07080104
Well depth: 700 feet Land surface altitude: 802
feet above NAVD88.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer