Latitude 41°39'20", Longitude 90°04'44" NAD27
Whiteside County, Illinois , Hydrologic Unit 07090005
Well depth: 567 feet Land surface altitude: 592
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer