Latitude 41°21'20", Longitude 88°50'37" NAD27
Lasalle County, Illinois , Hydrologic Unit 07120007
Well depth: 1220 feet Land surface altitude: 486
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician-Cambrian Systems" (367OVCB) local aquifer