Latitude 41°04'22", Longitude 90°13'30" NAD27
Knox County, Illinois , Hydrologic Unit 07130005
Well depth: 840 feet Land surface altitude: 812
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Hunton Megagroup" (344HNTN) local aquifer