Latitude 37°41'05", Longitude 88°59'20" NAD27
Williamson County, Illinois , Hydrologic Unit 07140106
Well depth: 662 feet Land surface altitude: 430
feet above NGVD29.
Well completed in "Pennsylvanian aquifers" (N300PNSLVN) national aquifer.
Well completed in "Pennsylvanian System" (320PSLV) local aquifer