Latitude 38°46'49", Longitude 90°00'46" NAD27
Madison County, Illinois , Hydrologic Unit 07140101
Well depth: not determined. Land surface altitude: 430
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer