Latitude 37°11'21", Longitude 88°43'13" NAD27
Massac County, Illinois , Hydrologic Unit 05140206
Well depth: 64 feet Hole depth: 64 feet
Land surface altitude: 380
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer