Latitude 41°41'51", Longitude 87°32'02" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 16 feet Hole depth: 16 feet
Land surface altitude: 586.8
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