Latitude 42°08'31", Longitude 87°55'55" NAD27
Cook County, Illinois , Hydrologic Unit 07120004
Well depth: 1355 feet Hole depth: 1355 feet
Land surface altitude: 651.00
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician System" (360ODVC) local aquifer