Latitude 41°42'23", Longitude 87°44'23" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 1952 feet Land surface altitude: 600
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ironton-Galesville" (372IRGL) local aquifer