Latitude 40°59'22", Longitude 89°27'28" NAD27
Marshall County, Illinois , Hydrologic Unit 07130001
Well depth: 1773 feet Land surface altitude: 640
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician-Cambrian Systems" (367OVCB) local aquifer