Latitude 41°59'44", Longitude 88°08'09" NAD27
Cook County, Illinois , Hydrologic Unit 07120004
Well depth: 128 feet Hole depth: 129 feet
Land surface altitude: 790
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer