Latitude 41°03'08", Longitude 89°03'04" NAD27
Marshall County, Illinois , Hydrologic Unit 07130001
Well depth: 1820 feet Land surface altitude: 663
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician-Cambrian Systems" (367OVCB) local aquifer