Latitude 41°42'40.34", Longitude 87°40'33.47" NAD83
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 90 feet Hole depth: 90 feet
Land surface altitude: 664
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer