Latitude 40°58'28", Longitude 89°13'54" NAD27
Marshall County, Illinois , Hydrologic Unit 07130001
Well depth: 47 feet Land surface altitude: 640
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer