Latitude 41°42'15", Longitude 87°33'27" NAD27
Cook County, Illinois , Hydrologic Unit 04040001
Well depth: 18 feet Hole depth: 25 feet
Land surface altitude: 588
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Sand (Holocene and/or Pleistocene)" (110SANDP) local aquifer