Latitude 40°46'44", Longitude 90°00'56" NAD27
Knox County, Illinois , Hydrologic Unit 07130005
Well depth: 1580 feet Land surface altitude: 670
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician-Cambrian Systems" (367OVCB) local aquifer