Latitude 41°19'48", Longitude 88°42'38" NAD27
Lasalle County, Illinois , Hydrologic Unit 07120005
Well depth: 850 feet Land surface altitude: 490
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician-Cambrian Systems" (367OVCB) local aquifer