Latitude 42°00'30", Longitude 87°57'32" NAD27
Cook County, Illinois , Hydrologic Unit 07120004
Well depth: 1395 feet Hole depth: 1395 feet
Land surface altitude: 678.00
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician-Cambrian Systems" (367OVCB) local aquifer