Latitude 41°20'51", Longitude 89°07'44" NAD27
Lasalle County, Illinois , Hydrologic Unit 07130001
Well depth: 2764 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