Latitude 41°06'47", Longitude 90°09'49" NAD27
Knox County, Illinois , Hydrologic Unit 07130005
Well depth: 808 feet Land surface altitude: 761
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer