Latitude 41°06'14", Longitude 89°11'49" NAD27
Marshall County, Illinois , Hydrologic Unit 07130001
Well depth: 138 feet Land surface altitude: 661
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer