Latitude 41°39'19", Longitude 87°32'30" NAD27
Cook County, Illinois , Hydrologic Unit 04040001
Well depth: 55 feet Hole depth: 55 feet
Land surface altitude: 583.54
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Clay (Holocene and/or Pleistocene)" (110CLAY) local aquifer