Latitude 37°12'15", Longitude 88°50'17" NAD27
Massac County, Illinois , Hydrologic Unit 05140206
Well depth: 448 feet Land surface altitude: 370
feet above NGVD29.
Well completed in "Mississippian aquifers" (N500MSSPPI) national aquifer.
Well completed in "Mississippian System" (330MSSP) local aquifer