Latitude 41°35'28", Longitude 88°55'21" NAD27
Lasalle County, Illinois , Hydrologic Unit 07120007
Well depth: 625 feet Land surface altitude: 703
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician-Cambrian Systems" (367OVCB) local aquifer