Latitude 41°40'24", Longitude 87°36'48" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: not determined. Hole depth: 30 feet
Land surface altitude: 586.01
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer