Latitude 38°51'45", Longitude 90°07'13" NAD27
Madison County, Illinois , Hydrologic Unit 07110009
Well depth: not determined. Land surface altitude: 420
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer