Latitude 41°41'38", Longitude 87°35'48" NAD27
Cook County, Illinois , Hydrologic Unit 04040001
Well depth: 10 feet Hole depth: 10 feet
Land surface altitude: 585.13
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