Latitude 41°25'34", Longitude 90°31'32" NAD27
Rock Island County, Illinois , Hydrologic Unit 07120004
Well depth: 256 feet Land surface altitude: 760
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer