Latitude 41°59'44", Longitude 88°03'00" NAD27
Cook County, Illinois , Hydrologic Unit 07120004
Well depth: 1367 feet Hole depth: 1367 feet
Land surface altitude: 730.00
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician-Cambrian Systems" (367OVCB) local aquifer