Latitude 41°21'24", Longitude 88°49'46" NAD27
Lasalle County, Illinois , Hydrologic Unit 07120007
Well depth: 1185 feet Hole depth: 1187 feet
Land surface altitude: 488.7
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician-Cambrian Systems" (367OVCB) local aquifer