Latitude 41°08'30", Longitude 89°03'36" NAD27
Lasalle County, Illinois , Hydrologic Unit 07120004
Well depth: 1881 feet Land surface altitude: 700
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "St. Peter Sandstone" (365STPR) local aquifer